Streaming Speech to Text API
Sub-300ms real-time accuracy for live dictation across clinical, legal, and enterprise workflows. Immediate text output with automatic punctuation, casing, and formatting.
Give professionals instant, accurate voice-to-text input that keeps pace with natural speech across clinical, legal, and enterprise workflows.
2x
increase in free-to-paid conversion rate
“We needed a provider that could scale with us — offering unlimited concurrent streams, fair pricing, and responsive support.”
80%
increase in customer satisfaction
“Assembly has saved us countless hours managing models, and provided exceptional accuracy.”
2x
increase in free-to-paid conversion rate
“We needed a provider that could scale with us — offering unlimited concurrent streams, fair pricing, and responsive support.”
80%
increase in customer satisfaction
“Assembly has saved us countless hours managing models, and provided exceptional accuracy.”
Enable hands-free documentation with real-time voice-to-text that professionals can trust.
Output text instantly as you speak
Eliminate lag and interruptions to your concentration
Keep pace with natural speech in real time
Activate Medical Mode for medical terminology accuracy
Recognize legal terminology for clinical and legal professionals
Define custom vocabulary for industry-specific jargon
Pay as you go with no minimum commitment
Unlock volume discounts as you scale
Count on 99.9% uptime SLA at a fraction of legacy pricing
Real-time accuracy that keeps pace with natural speech, with domain-specific precision across clinical, legal, and enterprise terminology.
Sub-300ms real-time accuracy for live dictation across clinical, legal, and enterprise workflows. Immediate text output with automatic punctuation, casing, and formatting.
The crucial details captured more accurately than ever — powering reliable downstream workflows.
| AssemblyAI Universal-3 Pro | Speechmatics Enhanced Model | Deepgram Nova-3 | AWS Transcribe | OpenAI GPT-4o Transcribe | |
|---|---|---|---|---|---|
| MER | 7.5% | 17.33% | 18.69% | 20.76% | 12.29% |
| WER | 4.5% | 6.1% | 6.66% | 12.9% | 5.34% |
Put our Voice AI models to the test in our no-code playground.
Try it now