AssemblyAI
7/1/2026

Universal 3.5 Pro Demo: Smarter Speech-to-Text with Contextual Awareness
Short summary
AssemblyAI's Universal 3.5 Pro demo showcases contextual awareness that dramatically improves speech-to-text accuracy for voice agents and customer support. Key features include dynamic contextual prompting, mid-call API updates, and conversation context learning from agent responses. Demo shows significant word error rate reductions even in poor audio conditions.
- •Contextual prompting improves transcription accuracy within specific domains
- •Dynamic mid-call updates refine context as conversations evolve
- •Conversation context learns from prior transcriptions and agent responses
Generated with AI, which can make mistakes.
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