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 | 1.34M requests | +24% | |
| 2 | Gemini 3.1 Flash TTS Preview | 621K requests | +4% | |
| 3 | Gemini 3.8 Flash Lite TTS | 533K requests | +85% | |
| 4 | Kokoro 82M | hexgrad | 525K requests | +36% |
| 5 | Grok Voice TTS 1.0 | x-ai | 335K requests | +12% |
| 6 | S2.1 Pro Free (free) | fish-audio | 166K requests | +33% |
| 7 | S2.1 Pro | fish-audio | 129K requests | -12% |
| 8 | MAI-Voice-2.1-Flash | microsoft | 91K requests | +491% |
| 9 | Eleven v4 Turbo | elevenlabs | 79K requests | new |
| 10 | Aura-2 | deepgram | 77K requests | +0% |
Usage data through