Speechmatics vs Deepgram
Agent-native side-by-side. Scores are curated estimates on a 0–10 scale. Lock-in: higher = worse. Prefer JTBD picks via /api/decide when choosing for a job.
| Dimension | Speechmatics | Deepgram |
|---|---|---|
| Overall | 8.2 | 8.5 |
| Capability fit | 9.0 | 8.8 |
| Price / performance | 7.2 | 8.8 |
| Latency / reliability | 8.8 | 8.6 |
| Developer & agent DX | 7.8 | 8.6 |
| Privacy / data retention | 8.8 | 8.2 |
| Lock-in risk (higher = worse) | 4.0 | 4.0 |
| Maturity / track record | 9.0 | 9.0 |
| Pricing | As of 2026-09-14 (speechmatics.com/pricing): $100 free credit, no card. Pro PAYG (50 concurrent realtime, 10 file jobs/s); Enterprise volume/on-prem/custom. Enhanced vs Standard vs Melia-1 (multilingual code-switch) mode… | As of 2026-09-22 (deepgram.com/pricing live): Flux TTS / Voice Agent promo ended; **Standard is live**. Flux TTS PAYG **$0.0450/1k** chars (Growth $0.0405); Aura-2 $0.030/1k; Aura-1 $0.015. Voice Agent Standard **$0.075/… |
| Tagline | Depot pick for multilingual/production STT beyond English-first stacks. Deepgram remains default $/min… | Default STT and strong voice-agent platform. Standard Flux TTS / Voice Agent rates live since 2026-09-15… |
Speechmatics
Depot pick for multilingual/production STT beyond English-first stacks. Deepgram remains default $/min English agent STT; Gladia for EU code-switch API peer. Strengths: 55+ languages + code-switching Melia; Strong accuracy reputation; On-prem/privacy deployments.
Strengths
- 55+ languages + code-switching Melia
- Strong accuracy reputation
- On-prem/privacy deployments
Weaknesses
- Full $/hr matrix less obvious than Deepgram
- Training discount trades privacy
- TTS still early (EN-first)
Deepgram
Default STT and strong voice-agent platform. Standard Flux TTS / Voice Agent rates live since 2026-09-15 (confirmed 2026-09-22). Budget Voice Agent at $0.075/min Standard. Pair ElevenLabs/Cartesia if you need premium TTS voices. Strengths: Best-in-class STT pricing/quality; Voice Agent API; Clear public rate card; EU r
Strengths
- Best-in-class STT pricing/quality
- Voice Agent API
- Clear public rate card
- EU residency options
Weaknesses
- TTS less 'celebrity voice' than ElevenLabs
- Voice Agent Standard jumped post-Flux-TTS promo (2026-09-13+)
- Concurrency tiers
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