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Experience AssemblyAI's industry-leading accuracy, low latency, and powerful Speech AI capabilities. No credit card required.
Speech-to-text API
Industry-leading accuracy on long-form audio.
Streaming Speech-to-Text API
Live transcription at ~300ms latency.
Voice Agent API
Production-ready voice agents, fast.
Speech Understanding API
Insights and summaries from voice.
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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.”
75%
engineering time savings on infrastructure
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.”
75%
engineering time savings on infrastructure