← Speech-to-text
Compare 4 speech-to-text APIs
| Nova Deepgram | Soniox (async) Soniox | Whisper large-v3 (Groq) Groq | Universal-2 AssemblyAI | |
|---|---|---|---|---|
| $ / audio hour | $0.26 Unverified sample | $0.10 Verified Oct 6, 2026 | $0.11 Unverified sample | $0.15 Verified Oct 4, 2026 |
| Quality | 88 | – | 82 | 89 |
| Speed | 95 | – | 98 | 80 |
| Real-time streaming | Yes | Yes | No | Yes |
| Speaker labels | Yes | Yes | No | Yes |
| Languages | 36 | 60 | 99 | 99 |
| Word timestamps | Yes | Yes | Yes | Yes |
| Open weights | No | No | Yes | No |