Claude - The Infrastructure Catalyst

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Anthropic launched Cowork. Microsoft quietly built it into M365 before most firms noticed

Infrastructure Catalyst Issue #8 | March 09, 2026 Anthropic launched Cowork on January 12, 2026 as a research preview. Software stocks dropped $285 billion the same day. Microsoft had their own version embedded inside Microsoft 365 57 days later. Most infrastructure firms have not caught up to either announcement yet. That

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I Built an AI Product for Infrastructure PMs in 6 Days. Ask These 5 Questions Before You Do.

Infrastructure Catalyst Issue #7 | February 24, 2026 In February, Anthropic and Cerebral Valley hosted Built with Opus 4.6, a global virtual hackathon marking one year since Claude Code launched. Over 13,000 people applied for 500 spots, putting the acceptance rate under 4%, roughly on par with Y Combinator.

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I Stopped Using ChatGPT. Here's Why.

ChatGPT's market share dropped 22 points in 12 months. I switched to Claude a year ago and haven't looked back. Here's what shifted in 2025 and why it matters for infrastructure PMs.