> ## Documentation Index
> Fetch the complete documentation index at: https://hanabiaiinc-codex-pronunciation-dictionary-instructions.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Model Deprecations

> Track deprecated models and migration timelines for Fish Audio services

## Available Models

Currently available models:

* **Fish Audio S2** (Recommended) - Latest generation with best performance
* **Fish Audio S1** - Highly expressive and natural sounding

## Deprecated Models

* **speech-1.6** - Fish Speech v1.6 has been deprecated on February, 28th, 2026
* **speech-1.5** - Fish Speech v1.5 has been deprecated on February, 28th, 2026

<Note>
  We strongly recommend using **Fish Audio S1** for all new projects to access the latest capabilities and performance improvements.
</Note>

## Support

Need help? Check out these resources:

* [API Reference](/api-reference/introduction) - Complete API documentation
* [Create a Voice Clone](/api-reference/endpoint/model/create-model) - Create a voice clone model
* [Generate Speech](/api-reference/endpoint/openapi-v1/text-to-speech) - Generate realistic speech
* [Real-time Streaming](/features/realtime-streaming) - WebSocket for real-time streaming
* [Discord Community](https://discord.com/invite/dF9Db2Tt3Y) - Get help from the community
* [Support Email](mailto:support@fish.audio) - Contact our support team