Timeline
Microsoft committed over $50B in AI infrastructure by 2026
Anthropic reportedly seeking $2B at a $30-40B valuation
Launched /loop command enabling autonomous multi-agent workflows in Claude Code
Released Claude Fable 5 migration docs warning that old skills degrade output quality
Anthropic published research showing Claude Sonnet 4 fails biology retrieval, missing Ebola sequences
Anthropic is reportedly seeking $2B at a $30-40B valuation
Published paper 'Why Larger Models Learn More' with Stanford, MIT, Harvard
Microsoft unveiled MAI-Thinking-1, a 35B active parameter reasoning model scoring 97% on AIME 2025.
Microsoft released RAMPART, a pytest-native framework for testing AI agent safety
Released SkillOpt, training agent skills in text space
Ecosystem
Anthropic
Microsoft
Evidence (15 articles)
Claude Mythos Scores 93.9% on SWE-Bench, Discovers Thousands of Zero-Days
Apr 7, 2026Anthropic's Cowork Built with Claude Code, Used at Microsoft, Google, OpenAI
Apr 13, 2026GitHub Secret Scanning Now Supports MCP Server in GA
May 12, 2026The Fragile Foundation: How AI Lab Failures Could Trigger a $1.5 Trillion Infrastructure Collapse
Mar 13, 2026Google-Anthropic 5 GW Deal: AI Capacity Pre-Sold at Gigawatt Scale
May 1, 2026AI Data Centers Face 4-Year Post-Approval Delays, PJM Data Shows
May 12, 2026Microsoft's Legal Shield: Why Anthropic's 'Gatekeeper' Status May Not Block Claude's Access
Mar 6, 2026Microsoft Copilot Researcher Adopts Two-Model System: OpenAI GPT Drafts, Anthropic Claude Audits
Mar 31, 2026+ 7 more articles