LLM API
AssemblyAIStreaming speech to textReleased March 3, 2026

AssemblyAI U3 RT Pro

AssemblyAI U3 RT Pro transcribes live audio for $0.0075 per minute on LLM API.

Pricing

Served by AssemblyAI, the only provider.

AssemblyAI U3 RT Pro prices on LLM API
Live transcription$0.0075/ minuteper minute

Call AssemblyAI U3 RT Pro

Streaming speech to text models are not called through an OpenAI-style endpoint. Read the docs

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LLM API is SOC 2 compliant, ISO 27001 certified, and compliant with GDPR and CCPA.

SOC 2 compliantISO 27001 certifiedGDPR compliantCCPA compliant

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