Speechmatics
Accuracy-focused speech recognition for broadcast and enterprise.
Full Speechmatics record →Head to head
Speechmatics vs AssemblyAI
Speechmatics (Speechmatics) and AssemblyAI (AssemblyAI) both sit in Audio. AssemblyAI shipped more tracked changes in the last 30 days (5 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Speechmatics Speechmatics | AssemblyAI AssemblyAI |
|---|---|---|
| Segment | Audio | Audio |
| Version | Ursa 2 | Universal-3.5 Pro |
| Entry cost | Usage-based, self-host option | Free tier with $50 free credits, then pay-as-you-go starting at $0.15/hr for pre-recorded STT (Universal-2) |
| Pricing tiers | — | Free Credits free |
| Model stack | Ursa 2 | Claude · Claude 4.6 Sonnet · Claude 4.8 Opus · Gemini 2.5 Pro · Gemini 3.5 Flash · GPT-5.5 · Qwen3 Next 80B A3B · u3-rt-pro · Universal-2 · universal-3-pro · Universal-3.5 Pro · Universal-3.5 Pro Realtime · Universal-Streaming English · Universal-Streaming Multilingual |
| Context window | — | n/a |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 5 |
| Origin | Global | Global |
| Capabilities | 50+ languages, Realtime, On-prem | Speaker diarization, Summarisation, Topic detection, PII redaction, LeMUR framework, Pre-recorded STT, Real-time STT, Voice Agent API |
AssemblyAI
Transcription plus summarisation, topic detection and speaker labels for developers.
Full AssemblyAI record →