Monday, September 21, 2026 - 5 Minute AI News

US daily AI usage reaches 19 percent, StepFun unveils a 600-billion-parameter model, Alibaba releases live interpretation, Runway streams video in real time, and Tencent introduces the Gander agent.

1. US daily AI usage more than doubles in six months — The share of US adults using AI tools daily rose from 8% to 19% between March and August. The shift signals rapid mainstream adoption and integration into daily routines.
2. StepFun unveils 600-billion-parameter MoE model for agentic workflows — Step 5 Preview is a sparse Mixture-of-Experts model designed for long-horizon tasks in engineering and finance. The company plans to open-source the model weights in October.
3. Alibaba releases Qwen3.8-LiveTranslate for real-time interpretation — Available as a WebSocket API, the model cuts processing delay to 2.3 seconds. It features stable voice cloning and speaker diarization to make cross-lingual conversations more natural.
4. Runway develops real-time streaming for AI video generation — Runway is building technology that streams AI-generated video interactively as users prompt it. This shift away from offline rendering could alter creative workflows and benefit robotics simulations.
5. Tencent introduces Gander agent for concurrent background processing — The Gander AI agent maintains active voice conversation while executing complex background tasks. This dual architecture solves a common usability hurdle by allowing users to interrupt without breaking workflows.

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