
Image via Andreessen Horowitz
Wednesday, March 11, 2026
Microsoft launches autonomous Copilot Cowork
Microsoft launched Copilot Cowork, which executes multi-step workflows autonomously across M365 apps. OpenAI acquired Promptfoo to build AI security directly into its Frontier platform, while Anthropic rolled out Claude Code Review for automated PR analysis.

Image via Andreessen Horowitz
Top Stories
Microsoft
Microsoft's Copilot Cowork transforms AI from a chat interface into an autonomous workflow execution engine that can complete complex multi-step tasks across Microsoft 365 applications, integrating Anthropic's Claude technology while maintaining enterprise security controls. This marks a major evolution from AI assistance to AI delegation in workplace productivity.
OpenAI
OpenAI is acquiring Promptfoo, a leading AI security platform trusted by 25% of Fortune 500 companies, to integrate its red-teaming and vulnerability detection capabilities into OpenAI Frontier for enterprise AI deployment. The move addresses growing enterprise needs for security, evaluation, and compliance as AI agents become embedded in real-world workflows.
Andreessen Horowitz
ChatGPT leads with 900M weekly users but faces accelerating competition from Gemini and Claude as the AI assistant market fragments into distinct ecosystems—consumer super-apps versus professional power tools—while standalone products increasingly bundle into platforms and agentic AI emerges as the next frontier beyond chat interfaces.
Anthropic
Anthropic's labor market analysis finds no significant unemployment impact from AI yet, though hiring has slowed 14% for young workers (ages 22-25) entering highly exposed occupations like programming and customer service. The gap between theoretical AI capability and actual workplace adoption remains substantial, with real usage covering only 33% of theoretically automatable tasks in computer/math fields.
Anthropic
Anthropic now offers automated AI-powered code reviews through Claude, analyzing pull requests for correctness issues with customizable rules via configuration files, averaging $15-25 per review based on complexity.
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