Universal-3 Pro - The first of its kind promptable speech language model
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Universal-3 Pro is a new class of speech language model built for Voice AI. Control transcription using instructions and domain context like names, terminology, and topics to get accurate output at the source. No custom models, no post-processing pipelines, no hallucinations. Includes 1,000 keyterms, audio tagging, and 6-language code-switching for $0.21/hr.



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AssemblyAI
Congrats on the launch — love the developer-first Voice AI platform and robust API.
In AssemblyAI's Universal-3 Pro (promptable speech language model), what's fixed vs prompt-controlled in the API for keyterms prompting and speaker roles? That split keeps outputs predictable and avoids invented words, so teams can drop brittle cleanup code.