Overview
Gemini 3.1 Flash TTS Preview vs Zonos v0.1 Transformer: side-by-side summary
Gemini 3.1 Flash TTS Preview and Zonos v0.1 Transformer are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gemini 3.1 Flash TTS Preview, from Google, has a 32,768-token context window and is priced at $1/M tokens input, $20/M tokens output on OpenRouter.
Zonos v0.1 Transformer, from zyphra, has a 4,096-token context window and is priced by the provider serving it on OpenRouter.
- Context window
- Gemini 3.1 Flash TTS Preview: 32,768 tokens
- Zonos v0.1 Transformer: 4,096 tokens
- Price
- Gemini 3.1 Flash TTS Preview: $1/M tokens input, $20/M tokens output
- Zonos v0.1 Transformer: Pricing varies by provider
- Provided by
- Gemini 3.1 Flash TTS Preview: Google
- Zonos v0.1 Transformer: zyphra