Your agent can take no for an answer

AssemblyAI has released Universal-3.6 Pro Realtime, a streaming speech-to-text model priced at $0.45 per hour that supports 32 languages with automatic detection and is designed as a direct replacement for Universal-3.5 Pro. Based on the company’s English voice-agent benchmark, the new model reduced short-response errors from 2.65% to 1.45%, normalized word error rate from 5.80% to 5.13%, language-confusion sessions from 0.55% to 0.14%, and background-speech leakage from 3.53 to 2.52 words per 1,000, while maintaining the same reported endpoint latency of 537 milliseconds. It also changes Voice Focus so enhanced audio is used by the recognition model, offers 14 additional languages, improves end-of-turn precision, and adds in-session speaker-label revisions without affecting transcription latency. AssemblyAI cites Pipecat and Coval benchmarks as placing the model competitively among streaming speech systems, though their metrics and test audio differ. Existing users can migrate by changing the model name while retaining current API settings, and Universal-3.5 Pro remains available.

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