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 3.8 Flash TTS | 1.54M requests | +34% | |
| 2 | Gemini 3.1 Flash TTS Preview | 607K requests | +3% | |
| 3 | Kokoro 82M | hexgrad | 535K requests | +25% |
| 4 | Gemini 3.8 Flash Lite TTS | 521K requests | +34% | |
| 5 | Grok Voice TTS 1.0 | x-ai | 321K requests | +1% |
| 6 | S2.1 Pro | fish-audio | 232K requests | +76% |
| 7 | Eleven v4 | elevenlabs | 171K requests | new |
| 8 | S2.1 Pro Free (free) | fish-audio | 168K requests | +27% |
| 9 | Eleven v4 Turbo | elevenlabs | 135K requests | new |
| 10 | MAI-Voice-2.1-Flash | microsoft | 95K requests | +217% |
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