Deepgram
Speech-to-text API for developers
Nova-3 delivers the fastest, most accurate STT API for building voice features into creator tools.
Otter.ai is a transcription & captions tool that aI meeting & interview notes. It starts at $16.99/mo. Below are the 8 closest alternatives we track, 5 of which have a free tier. Each entry explains the one thing that actually differs — not a rephrased feature list.
We label every tool with how far we have verified it. Where we have not run a tool ourselves, we say so rather than inventing a score.
| Tool | From | Model | Our score | Verification |
|---|---|---|---|---|
| Otter.ai (current) | $16.99/mo | Freemium | — | Price checked |
| Deepgram | $0.0043/min | Freemium | — | Price checked |
| AssemblyAI | $0.12/hr | Freemium | — | Price checked |
| MacWhisper | €59 one-time | Freemium | — | Price checked |
| Zeemo | $12.9/mo | Freemium | — | Price checked |
| Sonix | $10/hr | Paid | — | Price checked |
| Whisper | — | Free | — | Price checked |
| Rev | $0.25/min | Paid | — | Price checked |
| Happy Scribe | $17/mo | Paid | — | Price checked |
Nova-3 delivers the fastest, most accurate STT API for building voice features into creator tools.
vs Otter.ai: About 100% cheaper at the entry tier ($0.0043/min vs $16.99/mo).
Universal-2 speech-to-text with sentiment, chapters, and PII redaction for building media features.
vs Otter.ai: About 99% cheaper at the entry tier ($0.12/hr vs $16.99/mo).
Drag-and-drop local transcription on macOS — private, fast, one-time purchase, no subscription.
vs Otter.ai: Adds Mac and Local, which Otter.ai does not cover.
Caption videos automatically with 98% accuracy, translate subtitles, and style them for social — mobile-first.
vs Otter.ai: About 24% cheaper at the entry tier ($12.9/mo vs $16.99/mo).
Fast automated transcription in 50+ languages with in-browser editor, subtitles, and AI summaries.
vs Otter.ai: About 41% cheaper at the entry tier ($10/hr vs $16.99/mo).
OpenAI's free, open-source ASR model supporting 90+ languages — the backbone of most captioning tools.
vs Otter.ai: Completely free, where Otter.ai is freemium.
Industry-standard transcription with both AI (fast) and human (99% accurate) options plus captions and subtitles.
vs Otter.ai: About 99% cheaper at the entry tier ($0.25/min vs $16.99/mo).
Machine and human-made transcripts and subtitles in 120+ languages with a professional subtitle editor.
vs Otter.ai: Adds 120+ Languages and Subtitle Editor, which Otter.ai does not cover.
Speech-to-text API for developers
Nova-3 delivers the fastest, most accurate STT API for building voice features into creator tools.
Speech AI models via API
Universal-2 speech-to-text with sentiment, chapters, and PII redaction for building media features.
Local Whisper transcription for Mac
Drag-and-drop local transcription on macOS — private, fast, one-time purchase, no subscription.
Auto captions in 95+ languages
Caption videos automatically with 98% accuracy, translate subtitles, and style them for social — mobile-first.