AI & Prompt Tools · Free tool
AI Transcription Tools Compared
9 transcription tools compared: Otter, Whisper API, Deepgram Nova-3, AssemblyAI, Rev, Sonix, Granola, Zoom AI, MacWhisper. Accuracy, languages, pricing.
Updated June 2026
| Tool | Pricing | Accuracy | Languages | Live | Speakers | Best for |
|---|---|---|---|---|---|---|
| Otter.ai | Free + $17-30/mo | 92% | 37 | ✓ | Auto-detect | Live meeting transcription + summaries |
| Whisper API (OpenAI) | $0.006/min | 95% | 99 | − | No (manual) | Highest accuracy + bring-your-own UI |
| Deepgram Nova-3 | $0.0043-0.0085/min | 96% | 36 | ✓ | Yes | Production-grade speed + accuracy |
| AssemblyAI Universal-2 | $0.12-0.37/hr | 95% | 26 | ✓ | Yes | API-first; sentiment + summarization built in |
| Rev.ai | $0.02-0.25/min | 94% | 36+ | ✓ | Yes | Human-grade transcription via human option |
| Sonix | $10-22/hr | 93% | 53+ | − | Yes | Pay-per-use; team workspace |
| Granola | $14-35/mo | 92% | 20+ | ✓ | Auto-named | AI notebook with you typing alongside |
| Zoom AI Companion | Free with Zoom Pro | 90% | 20+ | ✓ | Yes | Tightest Zoom workflow |
| MacWhisper | $15 one-time | 95% | 99 | − | No | Privacy-first local Whisper on macOS |
Accuracy is on standard test sets (LibriSpeech / TED-LIUM); your real-world numbers depend on audio quality, background noise, and accents. For production: pilot 2-3 candidates on YOUR audio for a week before committing.
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What it does
9 transcription tools: Otter, Whisper API, Deepgram Nova-3, AssemblyAI Universal-2, Rev, Sonix, Granola, Zoom AI Companion, MacWhisper. Compare accuracy (90-96%), languages, live vs async, pricing, speakers detection. Standard test sets vs your real audio differ — pilot 2-3 candidates on YOUR audio for a week before committing.
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- Read the comparison table.
- Pick by accuracy + price + your platform need.
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