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Best Transcription tools
Speech-to-text APIs agents call to turn audio into text.
Ranked by cost · 100h audio+ verified agent-readiness · not yet benchmarked
Comparable cost for a standard workload — the objective axis. AI rank = price-blind quality opinion aggregated from multiple AI models (labeled, never mixed into the cost order). Click any column to sort. how it's scored →
↓ sorted by cost — cheapest for the standard workload first · click any header to re-sort · # = position in current sort
| # | Tool | 100h audio | AI rank | Free tier | SOC 2 | Docs | Maint. |
|---|---|---|---|---|---|---|---|
| 1 |  Fireworks AI (Whisper) | 4/5 | — | ||||
| 2 |  Soniox | ✗ | — | — | |||
| 3 |  Groq (Whisper) | 4/5 | — | ||||
| 4 |  Google Cloud Speech-to-Text | — | — | ||||
| 5 |  Azure AI Speech | — | — | ||||
| 6 |  Mistral Voxtral | — | — | ||||
| 7 |  Rev AI | 4/5 | — | ||||
| 8 |  AssemblyAI | ✗ | — | — | |||
| 9 |  ElevenLabs Scribe | 4/5 | — | ||||
| 10 |  Speechmatics | — | — | ||||
| 11 |  Deepgram | — | — | ||||
| 12 |  OpenAI (gpt-4o-transcribe) | ✗ | 5/5 | — | |||
| 13 |  AWS Transcribe | ✗ | — | — | |||
| 14 |  Gladia | — | — |