Microsoft's Hedge

Microsoft shipped 7 in-house MAI models and says it was "set free" from the OpenAI contract to pursue superintelligence — while still holding ~27%/$135B of OpenAI and embedding Anthropic's Claude in Copilot. Track how far the in-house models displace OpenAI in Copilot, the MSFT–OpenAI commercial terms, and whether this is genuine independence or a hedge.

STATUS · DEVELOPING OPENED · 2026-06-28 LAST SEEN · 2026-07-27

Microsoft OpenAI Anthropic

This week's evidence

Opus 5 reception: ARC-AGI-3 record, 42/42 on IMO-class tasks, default on Max, live on Bedrock — and added to Microsoft 365 Copilot (Microsoft hedging in both directions at once). (Tech Times) 2026-07-27

⟨critic⟩ Microsoft launched MAI-Cyber-1-Flash + "Project Perception" — its first vertical MAI model (cyber workflows) and an agentic security platform; a direct run at Anthropic/Google/OpenAI in the security vertical. (TechCrunch) 2026-07-27

2026-07-27 — First vertical MAI model ⟨daily 2026-07-28⟩

Microsoft launched MAI-Cyber-1-Flash + “Project Perception” — its first in-house model built for cyber workflows, an agentic security platform launched at a SF event; a direct challenge to Anthropic/Google/OpenAI in the security vertical and the first MAI model aimed at a domain rather than general Copilot duty. Critic-caught (benchmark miss, folded at 07-27 finalization). (TechCrunch)

2026-07-21 — The hedge widens to Mistral

Microsoft expanded its Mistral partnership — frontier Mistral models deployable in fully disconnected Azure environments for regulated industries; a fourth leg of the multi-supplier hedge. (Microsoft Source) ⟨daily 2026-07-21⟩

← Backstory

2026-06-28 — Thread opened

Microsoft shipped 7 in-house MAI models, saying it was “set free” from the OpenAI contract to pursue superintelligence — the most important giant-vs-lab decoupling; a three-way hedge (OpenAI/Anthropic/in-house). ⟨seed 2026-07-22⟩

The Projection