Two days. One story about the system running AI. Day 1 brought the keynote bombshells — Majorana 2, seven new MAI models, Cobalt 200, Foundry IQ. Day 2 brought the developer deep dives — Microsoft Scout, Frontier Tuning, ASSERT, and the Agent Control Specification.
Satya Nadella opens Build 2026 with a sweeping vision for the agentic system layer — from silicon to apps.
Mustafa Suleyman unveils Microsoft's biggest first-party model release ever.
The next-generation topological quantum chip is here — engineered for fault tolerance at scale.
Steven Bathiche reveals the next era of the Windows developer experience.
Day 1 was the show — the keynote stage, the hero demos, the partner moments. Day 2 was the homework — engineering deep dives, open-source releases, and the platform plumbing that makes Day 1 actually ship. Tap a day to filter the full list below.
Satya, Mustafa, Rajesh, Asha and Pavan walk through the system running AI — from atoms to agents.
The engineering tracks, open-source drops, and Command Line posts that fill in the architecture underneath the Day 1 demos.
Opinionated reads on the Day 1 and Day 2 announcements that actually move the platform forward — Microsoft Scout, HorizonDB, the Agent Control Specification, and the seven new MAI models.
The first personal agent that walks up to the enterprise front door with its keys already on the lanyard — and what that means for the post-Cortana era.
Read take →The press release said “OLTP, vector, and memory in one engine.” The actual move is to make vector a first-class index. That re-orders the database stack.
Read take →A vendor-neutral spec for runtime agent governance. The bottleneck just got a contract — if anyone else adopts it.
Read take →Read alongside Frontier Tuning and Foundry's model catalog — first-party, partner, and open all on one platform. This is what real customer choice at the model layer looks like.
Read take →Click any card for the full story, why it matters, and a link to the official announcement.
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Official photography from Microsoft Build 2026 in San Francisco. Photos by Dan DeLong and John Brecher.
