MAI-Transcribe-2-Streaming is the real-time SKU alongside non-streaming MAI-Transcribe-2. Artificial Analysis measured 2.5% word error on both final transcript (0.13s after end of speech) and first partial (0.12s), at $0.54 per hour or $9.00 per 1,000 minutes for streaming and $0.10 per hour for batch. As of October 2, 2026 it is a hosted quality result, not an announced open-weight release or a Windows / Copilot inbox update.