# Models

> Access 50+ AI models from OpenAI, Anthropic, Google and more through a single API, organized into budget groups.

- Canonical: https://tchavi.com/en/docs/models

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Tchavi gives you access to 50+ AI models from OpenAI, Anthropic, Google, and more — all through a single API. Models are organized into budget groups so you can pick the right cost-to-quality tradeoff for each task.

## Credit costs

Every request is billed in credits. The unit depends on the model type:

| Model type     | Billing unit                                         |
| -------------- | ---------------------------------------------------- |
| Chat / text    | Credits per 1K input tokens and per 1K output tokens |
| Image          | Flat credits per image                               |
| Text-to-speech | Credits per 1K characters                            |
| Transcription  | Credits per minute of audio                          |
| Video          | Credits per second of output (resolution-dependent)  |

## Browse the catalogue

The full, always-current list of models — with each model's provider, type and exact credit cost — lives in the live catalogue.

See all available models on the [Models page](/en/models). New models are added within 48 hours of release.