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 | 740K requests | -20% | |
| 2 | Kokoro 82M | hexgrad | 512K requests | -49% |
| 3 | Grok Voice TTS 1.0 | x-ai | 294K requests | +11% |
| 4 | Gemini 3.8 Flash TTS | 199K requests | new | |
| 5 | S2.1 Pro Free (free) | fish-audio | 118K requests | +10% |
| 6 | Qwen-Audio-3.0-TTS Flash | qwen | 108K requests | +113% |
| 7 | Qwen-Audio-3.0-TTS Plus | qwen | 98K requests | +37% |
| 8 | S2.1 Pro | fish-audio | 97K requests | -24% |
| 9 | Flux TTS (free) | deepgram | 71K requests | +4% |
| 10 | Aura-2 | deepgram | 62K requests | +154% |
