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| Spec | Boson AI |
|---|---|
| Params | 8.9B |
| Architecture | dense |
| Languages | 1 |
| Weights | |
| License | Apache License 2.0 |
| 5.6 GBest | |
| Released | Apr 27, 2026 |
| Speed (× real time) | 139× |
| Words right | 95.3% |
| Accented speech | 8.5% wrong |
| Financial calls | 3.2% wrong |
| Recorded meetings | 8.4% wrong |
| European-accented speech | 2.9% wrong |
| Podcasts and video | 7.1% wrong |
| Clean read speech | 1% wrong |
| Harder read speech | 2.1% wrong |