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 | 1.12M requests | +67% | |
| 2 | Gemini 3.1 Flash TTS Preview | 606K requests | -9% | |
| 3 | Kokoro 82M | hexgrad | 437K requests | +8% |
| 4 | Gemini 3.8 Flash Lite TTS | 402K requests | +141% | |
| 5 | Grok Voice TTS 1.0 | x-ai | 332K requests | +17% |
| 6 | S2.1 Pro Free (free) | fish-audio | 143K requests | +16% |
| 7 | S2.1 Pro | fish-audio | 131K requests | +9% |
| 8 | Aura-2 | deepgram | 70K requests | +18% |
| 9 | MAI-Voice-2 | microsoft | 59K requests | -16% |
| 10 | Qwen-Audio-3.0-TTS Plus | qwen | 57K requests | -32% |
Usage data through