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class="fern-sidebar-heading-content">GET STARTED</span></div><ul class="fern-sidebar-group"><li><div class="fern-sidebar-link-container" data-state="active"><a class="fern-sidebar-link" href="/docs/conversational-ai/overview"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" style="mask-image:url("https://icons.ferndocs.com/duotone/house.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/house.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Overview</span></span></a></div></li><li><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/docs/conversational-ai/quickstart"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" 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class="fern-sidebar-link-text">Dashboard</span></span></a></div></li></ul></li><li class="mt-6"><div class="fern-sidebar-heading"><span class="fern-sidebar-heading-content">CUSTOMIZATION</span></div><ul class="fern-sidebar-group"><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" style="mask-image:url("https://icons.ferndocs.com/duotone/toolbox.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/toolbox.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Tools</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/docs/conversational-ai/customization/knowledge-base"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" style="mask-image:url("https://icons.ferndocs.com/duotone/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Knowledge base</span></span><span class="fern-sidebar-link-expand opacity-50 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center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/language.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Language</span></span></a></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/docs/conversational-ai/customization/custom-llm"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" style="mask-image:url("https://icons.ferndocs.com/duotone/brain.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/brain.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Custom LLM</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></a></div></div></li><li><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/docs/conversational-ai/customization/widget"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" style="mask-image:url("https://icons.ferndocs.com/duotone/frame.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/frame.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Widget</span></span></a></div></li><li><div 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style="mask-image:url("https://icons.ferndocs.com/duotone/lock.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/lock.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Privacy</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></a></div></div></li></ul></li><li class="mt-6"><div class="fern-sidebar-heading"><span class="fern-sidebar-heading-content">GUIDES</span></div><ul class="fern-sidebar-group"><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" style="mask-image:url("https://icons.ferndocs.com/duotone/code.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/code.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Quickstarts</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" style="mask-image:url("https://icons.ferndocs.com/duotone/phone.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/phone.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Twilio</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" style="mask-image:url("https://icons.ferndocs.com/duotone/browser.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/browser.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">No-Code</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li></ul></li><li class="mt-6"><div class="fern-sidebar-heading"><span class="fern-sidebar-heading-content">RESOURCES</span></div><ul class="fern-sidebar-group"><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span class="bg-faded group-data-[state=active]:bg-accent fa-icon" style="mask-image:url("https://icons.ferndocs.com/duotone/books.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/duotone/books.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></span><span class="fern-sidebar-link-text">Libraries</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li></ul></li><li class="mt-6"><div class="fern-sidebar-heading"><span class="fern-sidebar-heading-content">API REFERENCE</span></div><ul class="fern-sidebar-group"><li><ul class="fern-sidebar-group"><li><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/docs/conversational-ai/api-reference/conversational-ai/websocket"><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span data-badge-type="http-method" data-http-method="GET" class="fern-docs-badge small green subtle">WSS</span></span><span class="fern-sidebar-link-text"><span class="">Agent WebSocket</span></span></span></a></div></li></ul></li><li><ul class="fern-sidebar-group"><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Agents</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Conversations</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Knowledge Base</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Tools</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Phone Numbers</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Widget</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" 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data-scrollbars="both" style="overflow-x:hidden;overflow-y:hidden"><div style="min-width:100%;display:table"><div class="text-grayscale-a11 m-0 mb-3 text-sm font-medium">On this page</div><ul class="toc-root not-prose" style="--height:0px;--top:0px"><li class="mb-2 last:mb-0" data-depth="0"><a class="block hyphens-auto break-words text-sm transition-colors hover:transition-none text-grayscale-a11 hover:text-grayscale-a12" style="padding-left:0px" href="/docs/conversational-ai/overview#what-is-conversational-ai">What is Conversational AI?</a></li><li class="mb-2 last:mb-0" data-depth="0"><a class="block hyphens-auto break-words text-sm transition-colors hover:transition-none text-grayscale-a11 hover:text-grayscale-a12" style="padding-left:0px" href="/docs/conversational-ai/overview#pricing-tiers">Pricing tiers</a></li><li class="mb-2 last:mb-0" data-depth="0"><a class="block hyphens-auto break-words text-sm transition-colors hover:transition-none text-grayscale-a11 hover:text-grayscale-a12" style="padding-left:0px" href="/docs/conversational-ai/overview#models">Models</a></li><li class="mb-2 last:mb-0" data-depth="0"><a class="block hyphens-auto break-words text-sm transition-colors hover:transition-none text-grayscale-a11 hover:text-grayscale-a12" style="padding-left:0px" href="/docs/conversational-ai/overview#popular-applications">Popular applications</a></li><li class="mb-2 last:mb-0" data-depth="0"><a class="block hyphens-auto break-words text-sm transition-colors hover:transition-none text-grayscale-a11 hover:text-grayscale-a12" style="padding-left:0px" href="/docs/conversational-ai/overview#faq">FAQ</a></li></ul></div></div></div></aside><article class="fern-layout-content max-w-content-width"><header class="mb-8"><div class="space-y-1"><div><span class="fern-breadcrumb"><a class="fern-breadcrumb-item" href="/docs/conversational-ai/overview">GET STARTED</a></span></div><h1 class="fern-page-heading"><p>Conversational AI overview</p></h1></div><div class="prose-p:t-muted mt-2 leading-7"><p>Deploy customized, conversational voice agents in minutes.</p></div></header><div class="prose dark:prose-invert prose-h1:mt-[1.5em] first:prose-h1:mt-0 max-w-full break-words"><div style="position:relative;width:100%;padding-bottom:56.25%"><iframe data-state="closed" src="https://player.vimeo.com/video/1029660636" frameBorder="0" style="position:absolute;top:0;left:0;width:100%;height:100%" class="aspect-video w-full rounded-lg" allow="autoplay; fullscreen; picture-in-picture" allowfullscreen=""></iframe></div> <h2 id="what-is-conversational-ai" data-state="closed">What is Conversational AI?</h2> <p>ElevenLabs <a class="fern-mdx-link" href="https://elevenlabs.io/conversational-ai">Conversational AI</a> is a platform for deploying customized, conversational voice agents. Built in response to our customers’ needs, our platform eliminates months of development time typically spent building conversation stacks from scratch. It combines these building blocks:</p> <div class="my-6 grid gap-4 first:mt-0 sm:gap-6 grid-cols-1 sm:grid-cols-2"><div class="fern-card not-prose relative block rounded-xl border p-6 text-base"><div class="flex items-start flex-col space-y-3"><div class="w-full space-y-1 overflow-hidden"><div class="t-default text-base font-semibold">Language model</div><div class="t-muted"><p>Choose from Gemini, Claude, OpenAI and more, or bring your own.</p></div></div></div></div><div class="fern-card not-prose relative block rounded-xl border p-6 text-base"><div class="flex items-start flex-col space-y-3"><div class="w-full space-y-1 overflow-hidden"><div class="t-default text-base font-semibold">Text to speech</div><div class="t-muted"><p>Our low latency, human-like TTS across 5k+ voices and 31 languages.</p></div></div></div></div><div class="fern-card not-prose relative block rounded-xl border p-6 text-base"><div class="flex items-start flex-col space-y-3"><div class="w-full space-y-1 overflow-hidden"><div class="t-default text-base font-semibold">Turn taking</div><div class="t-muted"><p>Our custom turn taking and interruption detection service that feels human.</p></div></div></div></div></div> <p>Altogether it is a highly composable AI Voice agent solution that can scale to thousands of calls per day. With <a class="fern-mdx-link" href="/docs/conversational-ai/customization/tools">server</a> & <a class="fern-mdx-link" href="/docs/conversational-ai/customization/client-tools">client side</a> tools, <a class="fern-mdx-link" href="/docs/conversational-ai/customization/knowledge-base">knowledge</a> bases, <a class="fern-mdx-link" href="/docs/conversational-ai/customization/dynamic-variables">dynamic</a> agent instantiation and <a class="fern-mdx-link" href="/docs/conversational-ai/customization/overrides">overrides</a>, plus built-in monitoring, it’s the complete developer toolkit.</p> <div class="fern-card not-prose relative block rounded-xl border p-6 text-base"><div class="flex items-start flex-col space-y-3"><div class="w-full space-y-1 overflow-hidden"><div class="t-default text-base font-semibold">Pricing</div><div class="t-muted"><p>15 minutes to get started on the free plan. Get 13,750 minutes included on the Business plan at $0.08 per minute on the Business plan, with extra minutes billed at $0.08, as well as significantly discounted pricing at higher volumes.</p><br/><p><strong class="font-semibold">Setup & Prompt Testing</strong>: billed at half the cost.</p></div></div></div></div> <h2 id="pricing-tiers" data-state="closed">Pricing tiers</h2> <div dir="ltr" data-orientation="horizontal"><div role="tablist" aria-orientation="horizontal" class="border-default mb-6 mt-4 flex gap-4 border-b first:-mt-3" tabindex="-1" data-orientation="horizontal" style="outline:none"><h6 class="text-default scroll-mt-content-padded hover:border-default data-[state=active]:t-accent data-[state=active]:border-accent -mb-px flex max-w-max cursor-pointer whitespace-nowrap border-b border-transparent pb-2.5 pt-3 text-sm font-semibold leading-6" id="in-minutes" type="button" role="tab" aria-selected="true" aria-controls="radix-:Rul8um:-content-in-minutes" data-state="active" tabindex="-1" data-orientation="horizontal" data-radix-collection-item="">In Minutes</h6><h6 class="text-default scroll-mt-content-padded hover:border-default data-[state=active]:t-accent data-[state=active]:border-accent -mb-px flex max-w-max cursor-pointer whitespace-nowrap border-b border-transparent pb-2.5 pt-3 text-sm font-semibold leading-6" id="in-credits" type="button" role="tab" aria-selected="false" aria-controls="radix-:Rul8um:-content-in-credits" data-state="inactive" tabindex="-1" data-orientation="horizontal" data-radix-collection-item="">In Credits</h6></div><div data-state="active" data-orientation="horizontal" role="tabpanel" aria-labelledby="radix-:Rul8um:-trigger-in-minutes" id="radix-:Rul8um:-content-in-minutes" tabindex="0" class="border:content-[''] before:mb-4 before:block" style="animation-duration:0s"><div class="fern-table-root not-prose" data-state="closed"><div dir="ltr" class="fern-scroll-area" style="position:relative;--radix-scroll-area-corner-width:0px;--radix-scroll-area-corner-height:0px"><style>[data-radix-scroll-area-viewport]{scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;}[data-radix-scroll-area-viewport]::-webkit-scrollbar{display:none}</style><div data-radix-scroll-area-viewport="" class="fern-scroll-area-viewport" data-scrollbars="both" style="overflow-x:hidden;overflow-y:hidden"><div style="min-width:100%;display:table"><table class="fern-table"><thead><tr><th>Tier</th><th>Price</th><th>Minutes included</th><th>Cost per extra minute</th></tr></thead><tbody><tr><td>Free</td><td>$0</td><td>15</td><td>Unavailable</td></tr><tr><td>Starter</td><td>$5</td><td>50</td><td>Unavailable</td></tr><tr><td>Creator</td><td>$22</td><td>250</td><td>~$0.12</td></tr><tr><td>Pro</td><td>$99</td><td>1100</td><td>~$0.11</td></tr><tr><td>Scale</td><td>$330</td><td>3,600</td><td>~$0.10</td></tr><tr><td>Business</td><td>$1,320</td><td>13,750</td><td>$0.08 (annual), $0.096 (monthly)</td></tr></tbody></table></div></div></div></div></div><div data-state="inactive" data-orientation="horizontal" role="tabpanel" aria-labelledby="radix-:Rul8um:-trigger-in-credits" hidden="" id="radix-:Rul8um:-content-in-credits" tabindex="0" class="border:content-[''] before:mb-4 before:block"></div></div> <div class="mb-6 mt-4 rounded-lg p-4 first:mt-0 callout-outlined-info"><div class="flex items-start space-x-3"><div class="mt-0.5 w-4"><svg width="1.5em" height="1.5em" viewBox="0 0 24 24" stroke-width="1.5" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md text-intent-info"><path d="M9.5 14.5L3 21" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M5.00007 9.48528L14.1925 18.6777L15.8895 16.9806L15.4974 13.1944L21.0065 8.5211L15.1568 2.67141L10.4834 8.18034L6.69713 7.78823L5.00007 9.48528Z" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></div><div class="prose prose-sm dark:prose-invert -my-4 flex-1 overflow-x-auto before:mb-4 before:block after:mt-4 after:block"><div class="text-intent-info"><h5 class="leading-snug"></h5><p>Today we’re covering the LLM costs, though these will be passed through to customers in the future.</p></div></div></div></div> <h2 id="models" data-state="closed">Models</h2> <p>Currently, the following models are natively supported and can be configured via the agent settings:</p> <ul class="mb-3 list-outside list-disc space-y-2"> <li class="">Gemini 2.0 Flash</li> <li class="">Gemini 1.5 Flash</li> <li class="">Gemini 1.5 Pro</li> <li class="">Gemini 1.0 Pro</li> <li class="">GPT-4o Mini</li> <li class="">GPT-4o</li> <li class="">GPT-4 Turbo</li> <li class="">GPT-3.5 Turbo</li> <li class="">Claude 3.5 Sonnet</li> <li class="">Claude 3 Haiku</li> </ul> <p><span aria-owns="rmiz-modal-" data-rmiz=""><span data-rmiz-content="not-found" style="visibility:visible"><img alt="Supported models" loading="lazy" width="1983" height="1115" decoding="async" data-nimg="1" style="color:transparent;aspect-ratio:1.77847533632287" srcSet="https://app.buildwithfern.com/_next/image?url=https%3A%2F%2Ffiles.buildwithfern.com%2Fhttps%3A%2F%2Felevenlabs.docs.buildwithfern.com%2Fdocs%2F2025-02-15T16%3A39%3A20.101Z%2Fassets%2Fimages%2Fconversational-ai%2Fllms.png&w=2048&q=75&dpl=dpl_5k86iTjnz4p5Ecyycur7mjzxQX8p 1x, https://app.buildwithfern.com/_next/image?url=https%3A%2F%2Ffiles.buildwithfern.com%2Fhttps%3A%2F%2Felevenlabs.docs.buildwithfern.com%2Fdocs%2F2025-02-15T16%3A39%3A20.101Z%2Fassets%2Fimages%2Fconversational-ai%2Fllms.png&w=3840&q=75&dpl=dpl_5k86iTjnz4p5Ecyycur7mjzxQX8p 2x" src="https://files.buildwithfern.com/https://elevenlabs.docs.buildwithfern.com/docs/2025-02-15T16:39:20.101Z/assets/images/conversational-ai/llms.png"/></span></span></p> <p>You can start with our <a class="fern-mdx-link" href="https://elevenlabs.io/app/sign-up">free tier</a>, which includes 15 minutes of conversation per month.</p> <p>Need more? Upgrade to a <a class="fern-mdx-link" href="https://elevenlabs.io/pricing">paid plan</a> instantly - no sales calls required. For enterprise usage (6+ hours of daily conversation), <a class="fern-mdx-link" href="https://elevenlabs.io/contact-sales">contact our sales team</a> for custom pricing tailored to your needs.</p> <h2 id="popular-applications" data-state="closed">Popular applications</h2> <p>Companies and creators use our Conversational AI orchestration platform to create:</p> <ul class="mb-3 list-outside list-disc space-y-2"> <li class=""><strong class="font-semibold">Customer service</strong>: Assistants trained on company documentation that can handle customer queries, troubleshoot issues, and provide 24/7 support in multiple languages.</li> <li class=""><strong class="font-semibold">Virtual assistants</strong>: Assistants trained to manage scheduling, set reminders, look up information, and help users stay organized throughout their day.</li> <li class=""><strong class="font-semibold">Retail support</strong>: Assistants that help customers find products, provide personalized recommendations, track orders, and answer product-specific questions.</li> <li class=""><strong class="font-semibold">Personalized learning</strong>: Assistants that help students learn new topics & enhance reading comprehension by speaking with books and <a class="fern-mdx-link" href="https://elevenlabs.io/blog/time-brings-conversational-ai-to-journalism">articles</a>.</li> </ul> <div class="mb-6 mt-4 rounded-lg p-4 first:mt-0 callout-outlined-info"><div class="flex items-start space-x-3"><div class="mt-0.5 w-4"><svg width="1.5em" height="1.5em" viewBox="0 0 24 24" stroke-width="1.5" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md text-intent-info"><path d="M9.5 14.5L3 21" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M5.00007 9.48528L14.1925 18.6777L15.8895 16.9806L15.4974 13.1944L21.0065 8.5211L15.1568 2.67141L10.4834 8.18034L6.69713 7.78823L5.00007 9.48528Z" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></div><div class="prose prose-sm dark:prose-invert -my-4 flex-1 overflow-x-auto before:mb-4 before:block after:mt-4 after:block"><div class="text-intent-info"><h5 class="leading-snug"></h5><p>Ready to get started? Check out our <a class="fern-mdx-link" href="/docs/conversational-ai/quickstart">quickstart guide</a> to create your first AI agent in minutes.</p></div></div></div></div> <h2 id="faq" data-state="closed">FAQ</h2> <div class="fern-accordion m-mdx" data-orientation="vertical"><details data-state="closed" data-orientation="vertical" class="fern-accordion-item scroll-mt-content-padded" id="concurrency-limits"><summary type="button" aria-controls="radix-:Rmil8um:" aria-expanded="false" data-state="closed" data-orientation="vertical" id="radix-:R6il8um:" class="fern-accordion-trigger" data-radix-collection-item=""><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-right fern-accordion-trigger-arrow"><path d="m9 18 6-6-6-6"></path></svg><h6 class="fern-accordion-trigger-title">Concurrency limits</h6></summary><div data-state="closed" id="radix-:Rmil8um:" role="region" aria-labelledby="radix-:R6il8um:" data-orientation="vertical" class="fern-accordion-content" style="--radix-accordion-content-height:var(--radix-collapsible-content-height);--radix-accordion-content-width:var(--radix-collapsible-content-width)"><div class="m-5"><p>Plan limits</p><p>Your subscription plan determines how many calls can be made simultaneously.</p><div class="fern-table-root not-prose" data-state="closed"><div dir="ltr" class="fern-scroll-area" style="position:relative;--radix-scroll-area-corner-width:0px;--radix-scroll-area-corner-height:0px"><style>[data-radix-scroll-area-viewport]{scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;}[data-radix-scroll-area-viewport]::-webkit-scrollbar{display:none}</style><div data-radix-scroll-area-viewport="" class="fern-scroll-area-viewport" data-scrollbars="both" style="overflow-x:hidden;overflow-y:hidden"><div style="min-width:100%;display:table"><table class="fern-table"><thead><tr><th>Plan</th><th>Concurrency limit</th></tr></thead><tbody><tr><td>Free</td><td>4</td></tr><tr><td>Starter</td><td>6</td></tr><tr><td>Creator</td><td>10</td></tr><tr><td>Pro</td><td>20</td></tr><tr><td>Scale</td><td>30</td></tr><tr><td>Business</td><td>30</td></tr><tr><td>Enterprise</td><td>Elevated</td></tr></tbody></table></div></div></div></div><div class="mb-6 mt-4 rounded-lg p-4 first:mt-0 callout-outlined-info"><div class="flex items-start space-x-3"><div class="mt-0.5 w-4"><svg width="1.5em" height="1.5em" viewBox="0 0 24 24" stroke-width="1.5" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md text-intent-info"><path d="M9.5 14.5L3 21" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M5.00007 9.48528L14.1925 18.6777L15.8895 16.9806L15.4974 13.1944L21.0065 8.5211L15.1568 2.67141L10.4834 8.18034L6.69713 7.78823L5.00007 9.48528Z" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></div><div class="prose prose-sm dark:prose-invert -my-4 flex-1 overflow-x-auto before:mb-4 before:block after:mt-4 after:block"><div class="text-intent-info"><h5 class="leading-snug"></h5><p>To increase your concurrency limit <a class="fern-mdx-link" href="https://elevenlabs.io/pricing">upgrade your subscription plan</a> or <a class="fern-mdx-link" href="https://elevenlabs.io/contact-sales">contact sales</a> to discuss enterprise plans.</p></div></div></div></div></div></div></details><details data-state="closed" data-orientation="vertical" class="fern-accordion-item scroll-mt-content-padded" id="supported-audio-formats"><summary type="button" aria-controls="radix-:Rqil8um:" aria-expanded="false" data-state="closed" data-orientation="vertical" id="radix-:Rail8um:" class="fern-accordion-trigger" data-radix-collection-item=""><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-right fern-accordion-trigger-arrow"><path d="m9 18 6-6-6-6"></path></svg><h6 class="fern-accordion-trigger-title">Supported audio formats</h6></summary><div data-state="closed" id="radix-:Rqil8um:" role="region" aria-labelledby="radix-:Rail8um:" data-orientation="vertical" class="fern-accordion-content" style="--radix-accordion-content-height:var(--radix-collapsible-content-height);--radix-accordion-content-width:var(--radix-collapsible-content-width)"><div class="m-5"><p>The following audio output formats are supported in the Conversational AI platform:</p><ul class="mb-3 list-outside list-disc space-y-2"> <li class="">PCM (8 kHz / 16 kHz / 22.05 kHz / 24 kHz / 44.1 kHz)</li> <li class="">μ-law 8000Hz</li> </ul></div></div></details></div></div><footer class="mt-12"><div class="flex gap-4 max-sm:flex-col sm:justify-between"><div><div><div class="flex w-full flex-wrap items-center 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