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| 3 models | fish-audioFish Audio: S2 ProRemove × | Briaremove_background_guidedRemove × | bosonaibosonai/higgs-audio-v3-sttRemove × |
|---|---|---|---|
| What’s different | S2 Pro is a multilingual text-to-speech model from Fish Audio. It is suited for expressive narration and multi-speaker dialogue, with natural-language controls for speaking style and emotion. | Prompt-guided background removal by Bria: tell it what to keep or what to remove and get a clean cutout with true transparency, at the original resolution with the original pixels untouched. Trained… | 2.68B parameters · 1 language · Encoder: Whisper · Decoder: Qwen3 |
| Date | Mar 10, 2026Released | Oct 14, 2026Listed | Oct 17, 2026Discovered |
API prices USD · provider configuration shown below | |||
| Listed rate | See provider quotes | See provider quotes | See provider quotes |
| Provider endpoints | 0 endpoints → | 0 endpoints → | 0 endpoints → |
Benchmarks Each result retains its evaluation configuration | |||
| AA Native Voice ↗Unversioned · provider native voices | 1,111.81 ↗Provider native voices · all categories · US + UK accents · 4 listed voicesIndependent result95% CI 1,099.81–1,123.81 · n=2,699 | Not reported | Not reported |
| AMI-Cleaned WER ↗English short-form; normalization unversioned | Not reported | Not reported | 7.19% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry |
| Earnings22-Cleaned-AA-chunked WER ↗English short-form; normalization unversioned | Not reported | Not reported | 7.04% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry |
| Gigaspeech-Cleaned WER ↗English short-form; normalization unversioned | Not reported | Not reported | 7.45% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry |
| LS Clean WER ↗English short-form; normalization unversioned | Not reported | Not reported | 1.08% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry |
| LS Other WER ↗English short-form; normalization unversioned | Not reported | Not reported | 2.61% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry |
| SPGISpeech WER ↗English short-form; normalization unversioned | Not reported | Not reported | 2.07% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry |
| URGENT2024 WER ↗English short-form; normalization unversioned | Not reported | Not reported | 11.88% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry |
| Voice Arena Monsoon WER ↗English short-form; normalization unversioned | Not reported | Not reported | 3.97% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry |
| Voxpopuli-AA-Cleaned WER ↗English short-form; normalization unversioned | Not reported | Not reported | 3.73% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry |
Specifications | |||
| Context window | — | — | — |
| Max output | — | — | — |
| Parameters | — | — | 2.68B |
| Audio input | Not reported | Not reported | Supported |
| Transcription | Not reported | Not reported | Supported |
| Open weights | Supported | Not reported | Not reported |