Rankings data by OpenRouter is licensed under CC BY 4.0. Reuse and republish it with attribution. The Data API docs cover the citation format and JSON access to these datasets.
| Rank | Model | Author | requests | Change |
|---|---|---|---|---|
| 1 | Gemini 3.1 Flash TTS Preview | 687K requests | -20% | |
| 2 | Gemini 3.8 Flash TTS | 478K requests | new | |
| 3 | Kokoro 82M | hexgrad | 446K requests | -56% |
| 4 | Grok Voice TTS 1.0 | x-ai | 306K requests | +33% |
| 5 | S2.1 Pro Free (free) | fish-audio | 124K requests | +16% |
| 6 | S2.1 Pro | fish-audio | 117K requests | +11% |
| 7 | Gemini 3.8 Flash Lite TTS | 115K requests | new | |
| 8 | Qwen-Audio-3.0-TTS Plus | qwen | 91K requests | 0% |
| 9 | Qwen-Audio-3.0-TTS Flash | qwen | 90K requests | +45% |
| 10 | Flux TTS (free) | deepgram | 68K requests | -3% |
