Streaming Speech to Text API
Sub-300ms real-time accuracy for live agent coaching, compliance monitoring, and next-best-action recommendations during active calls.
Surface live suggestions, compliance cues, and knowledge base lookups as conversations unfold — with sub-300ms streaming accuracy and enterprise-grade reliability.
2x
increase in free-to-paid conversion rate
“Assembly has saved us countless hours managing models, and provided exceptional accuracy.”
80%
increase in customer satisfaction
2x
increase in free-to-paid conversion rate
“Assembly has saved us countless hours managing models, and provided exceptional accuracy.”
80%
increase in customer satisfaction
Empower human agents with real-time AI assistance and extract actionable insights from every customer interaction.
Stream results in under 300ms for live coaching prompts
Surface knowledge base answers as conversations unfold
Deliver next-best-action cues before customers finish speaking
Capture VoIP and telephony audio accurately, with models trained on real-world calls
Cut through headset crosstalk and background chatter
Transcribe true-to-life contact center calls, not clean studio audio
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 powers reliable live coaching, with models built for contact center audio.
Sub-300ms real-time accuracy for live agent coaching, compliance monitoring, and next-best-action recommendations during active calls.
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.
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