---
title: "InfiniteTalk API — All variants, pricing, code samples | RunAPI"
url: "https://runapi.ai/models/infinitetalk.md"
canonical: "https://runapi.ai/models/infinitetalk.md"
locale: "en"
model: "InfiniteTalk"
provider: "MeiGen-AI"
modality: "video"
variant_count: 1
price_from_cents: 12
---

# InfiniteTalk

Audio-driven talking-head animation — lip-sync and animate a portrait from any audio input.

**Provider:** MeiGen-AI
**Modality:** Video
**Catalog:** 1 endpoints

InfiniteTalk is MeiGen-AI's audio-driven talking head animation model that generates lip-synced facial animations from an audio input and a reference image. It produces natural head movements and expressions synchronized to speech.

## Variants

Single-SKU line. The SDK model ID is `infinitetalk-from-audio` and all usage details are documented here.

## Pricing

| Endpoint | Pricing | Billing |
|---|---|---|
| `audio_to_video` | $0.120 | second |

## Spec sheet

| Field | Value |
|---|---|
| Model ID | `infinitetalk-from-audio` |
| Provider | MeiGen-AI |
| Modality | video |
| Task type | asynchronous |
| Billing unit | second |
| API endpoint | `/api/v1/infinitetalk/audio_to_video` |


## Install

```sh
npm install @runapi.ai/infinitetalk
# or
gem install runapi-infinitetalk
```

## Quickstart

```sh
curl -X POST https://runapi.ai/api/v1/infinitetalk/audio_to_video \
  -H "Authorization: Bearer $RUNAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "model": "infinitetalk-from-audio", "prompt": "..." }'
```

## Context

InfiniteTalk is MeiGen-AI's audio-driven avatar model, generating lip-synced animation from a portrait and audio input. Through RunAPI, it shares unified API access and billing.

## FAQ

### Which variant should I start with?

Pick the cheapest variant that meets your quality bar. Most teams start on the fast variant and graduate to pro for production.

### Is there a free tier?

New accounts get free first calls on every model. After that, pay per call.

### Do you stream results?

Where streaming is available, RunAPI streams end-to-end.

### How are failures billed?

Failed generations are not charged.

### Are outputs cached?

Generated outputs are stored and retrievable by task ID. Inputs are not cached.

### Can I use commercially?

Yes — commercial use is included for every variant unless a model license explicitly restricts it, which is called out on the variant page.

### What about rate limits?

Per-key rate limits scale with usage tier. See pricing page for current limits.

### Where can I report issues?

Open an issue on the public GitHub repo or email support.