> ## Documentation Index > Fetch the complete documentation index at: https://docs.talking-avatar.dev/llms.txt > Use this file to discover all available pages before exploring further. # FAQ > Answers to common questions about Talking Avatar. ## General > **What is Talking Avatar?** > > Talking Avatar, by InterviewFlowAI, gives AI voice agents a talking face. **Realistic Avatars** are photorealistic avatars rendered on our servers and streamed to your page, for $0.02 a minute. **Voice Agents** are complete no-code AI agents on those avatars, for $0.06 a minute. **Open Source** is a free, MIT-licensed 3D talking avatar that runs your own `.glb` model in the browser. > **Which one should I use?** > > Realistic Avatars when you have your own voice agent and want a photorealistic person with no 3D work. Voice Agents when you want a complete agent with no code. Open Source when you have, or want, your own 3D avatars and prefer it free and fully in the browser. See [Choose a product](https://docs.talking-avatar.dev/get-started/choose-a-product.md). > **Do they need the text, or my TTS provider's viseme events?** > > No. Both avatar products follow the audio alone, so they work with any provider and any voice. > **Which voices and voice agents work?** > > Any. OpenAI, ElevenLabs, Azure, Fish Audio, Cartesia or any other TTS, and voice agents built on OpenAI Realtime, LiveKit Agents, Pipecat or your own stack. > **Can I use it in a commercial product?** > > Yes, all of it. Realistic Avatars and Voice Agents include commercial use. Open Source is MIT licensed and free for commercial and noncommercial use. ## Pricing > **How much does it cost?** > > Realistic Avatars are $0.02 a minute and Voice Agents are $0.06 a minute, both billed per second from prepaid credits. Open Source is free. There's no subscription, setup fee or minimum. See [Pricing](https://docs.talking-avatar.dev/get-started/pricing.md). > **Can I try it for free?** > > Yes. New accounts get \$1 of free credits: 50 minutes of Realistic Avatars, or about 16 minutes of Voice Agent calls. You can also talk to a realistic avatar on the [live demo](https://talking-avatar.dev/demo) without signing up, and try every avatar for free from the dashboard's **Avatars** page. > **Is there a volume discount?** > > The price is the same at any volume. For very large volumes, email [support@talking-avatar.dev](mailto:support@talking-avatar.dev). > **How do I stop spending more than I expect?** > > Set a [monthly spending limit](https://docs.talking-avatar.dev/dashboard/billing.md#monthly-spending-limit). Once it's reached, sessions and calls stop until next month. ## Realistic Avatars > **Which avatars can I choose from?** > > A growing library of ready-made photorealistic avatars, women and men of many ages and backgrounds, in professional and casual looks. Every account can use all of them. See [Avatars](https://docs.talking-avatar.dev/realistic-avatars/avatars.md). > **Can I have an avatar of my own face or presenter?** > > Yes. A [custom avatar](https://docs.talking-avatar.dev/realistic-avatars/custom-avatars.md) is \$199 per avatar, one time, with the signed consent of the person on camera. > **Does it work with LiveKit?** > > Yes. The avatar can join your LiveKit room as a participant, with a publish-only token you mint. See [LiveKit](https://docs.talking-avatar.dev/realistic-avatars/livekit.md). > **Can users interrupt the avatar?** > > Yes. `clear()` stops the avatar mid-sentence and tells you how much of the reply the user heard. > **How long can a session last?** > > Up to 3 hours each. Run as many sessions as you need. > **Does my server have to be Node.js?** > > No. The SDK's server part runs on Node.js (22+, or 18/20 with `ws`), but any language can use the [realtime avatar API](https://docs.talking-avatar.dev/api-reference/realtime/overview.md) directly, over one WebSocket. See the [Python example](https://docs.talking-avatar.dev/api-reference/realtime/python.md). > **Which languages work?** > > Any. The avatar follows the audio, whatever the language. ## Voice Agents > **Do I need to write code?** > > No. Describe the agent in plain language, pick a face and a voice, and share its link. Adding it to a website is one line to paste. Tools and the webhook are optional, and can point at Zapier, Make or n8n. > **How do people talk to my agent?** > > In their web browser, on desktop or mobile, with their microphone: from the agent's link, a button on your website, or an embedded frame. Phone calls and phone numbers aren't supported. > **Which languages can my agent speak?** > > It understands callers in their language. To have it reply in their language, pick a **Multilingual** voice and keep *Reply in the language they speak* in the prompt. **English** voices speak English only. > **Can I see what callers said?** > > Yes. Every call is on the agent's **Calls** tab with its transcript, and the post-call webhook can send it to your systems. > **Can I limit who calls my agent?** > > Yes. Make it [private](https://docs.talking-avatar.dev/voice-agents/private-agents.md): only people with one of its expiring links can call. > **Can I remove your branding?** > > Yes. [Remove watermark](https://docs.talking-avatar.dev/dashboard/billing.md#remove-watermark) is \$19 a month and removes the watermark and the *Powered by Talking Avatar* line. ## Open Source > **Is any audio sent to a server?** > > No. Everything runs in the browser. The only network requests are for the avatar and the model file. > **Which 3D avatars work?** > > Any `.glb` with the Oculus viseme morph targets, or other morph names mapped with `morphTargets`. See [3D avatars](https://docs.talking-avatar.dev/open-source/avatars.md). > **Which languages work?** > > The model is trained on English and holds up reasonably on other languages tested, using the nearest English mouth shape for sounds English lacks. See [How it works](https://docs.talking-avatar.dev/open-source/how-it-works.md#accuracy-and-limitations). This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.