Deepgram Alternatives
Build Voice AI into your apps.
From startups to NASA, Deepgram APIs are used to transcribe and understand millions of audio minutes each day. Fast, accurate, scalable, and cost-effective.
Explore 13 alternatives to Deepgram across 1 category. Updated October 2026.
Top Deepgram alternatives at a glance
- AssemblyAI. Speech-to-text APIs with audio intelligence, speaker diarization, and real-time streaming
- Speechmatics. Enterprise speech-to-text API supporting 55+ languages with high accuracy
- Gladia. Fast speech-to-text API with real-time transcription and speaker diarization
- OpenAI. API access to GPT, o-series reasoning, DALL-E, and Whisper models
- LiveKit Agents. Open-source framework for building real-time voice and multimodal AI agents over WebRTC
Compare Deepgram with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| Deepgram | Pay-per-use | ✓ | — | Cloud + Self-hosted | πΊπΈ United States |
| AssemblyAI | Pay-per-use | ✓ | — | Cloud | πΊπΈ United States |
| Speechmatics | Freemium | ✓ | — | Cloud + Self-hosted | π¬π§ United Kingdom |
| Gladia | Pay-per-use | ✓ | — | Cloud | π«π· France |
| OpenAI | Pay-per-use | ✓ | — | Cloud | πΊπΈ United States |
| LiveKit Agents | Freemium | ✓ | ✓ | Cloud + Self-hosted | πΊπΈ United States |
| Respeecher | Freemium | — | — | Cloud | — |
| Cekura | Pay-per-use | ✓ | — | Cloud | πΊπΈ United States |
| SLNG | Pay-per-use | — | — | Cloud | — |
| Samtal | — | — | — | Cloud | πΈπͺ Sweden |
| Hume AI | Freemium | ✓ | — | Cloud | πΊπΈ United States |
| MusicGPT | Freemium | ✓ | — | — | — |
| Cartesia | Freemium | ✓ | — | Cloud + Self-hosted | πΊπΈ United States |
| LemonFox | Subscription | ✓ | — | Cloud | π©πͺ Germany |
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