Developer tools Realtime AI Voice Agents

AssemblyAI

Build with powerful Speech AI models

A developer-facing speech AI platform and API for speech-to-text transcription and audio intelligence, including realtime transcription capabilities.

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releasePRIMARY2026-06-23

AssemblyAI launches Universal-3.5 Pro Realtime with Context Carryover

AssemblyAI’s Universal-3.5 Pro Realtime now carries forward the agent side of a conversation to improve live transcription. The release also ships multilingual realtime ASR features, and one early deployment said critical-utterance errors fell from 26% to 9%.