AssemblyAI Unveils Universal 3 Pro Streaming and Voice Agent API in April 2026 Recap

In a recent recap video, AssemblyAI announced several major updates, including the launch of Universal 3 Pro Streaming, a Medical Mode, and a new Voice Agent API. The company also introduced improvements to its documentation, MCP Server, and a Claude Code skill. On the model front, the LLM Gateway now supports Opus 4.7, Kimi 2.5, Qwen 3, and GPT 5.5. Universal 2 has been enhanced with support for Hebrew and Swedish, and PII redaction features have been updated. The video, published on April 30, 2026, highlights AssemblyAI's continued focus on advancing speech recognition and AI voice technologies.