Daily AI brief: Mistral raises €3B at €21B+, Meta Muse agent in closed alpha, DevDay Sept 29
testingcatalog · x · 2026-09-08
testingcatalog's Sept 8 roundup:
- Meta: first look at Muse (Hatch) mobile UI — a proactive agent for goals, calendar, email, bookings, and spend; closed alpha with invite codes.
- Google: Immersive View in Gemini Students, image topic maps with clickable nodes.
- OpenAI: Writing Style for ChatGPT Work learns your voice from Gmail/Drive/Slack/SharePoint; weekend usage-reset flushes (banked Codex resets, non-bankable Sept 7 flush for Plus/Pro/Business); DevDay on Sept 29 with managed agents (environments, skills, plugins).
- Mistral: €3B Series D at >€21B valuation, Europe's largest tech equity round, led by Samsung.
- Anthropic: walked away from the $6B Decart deal after diligence; collaboration still possible.
Also quotes the Sept 5 brief: Astra rolled out to all Plus/Business, API at $10/$50, GPT-6 Pro in Chat is Astra.
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