Cursor and Windsurf escalated their AI coding battle this week. Cursor launched Agent Mode with multi-file editing for its 2 million users, directly challenging Windsurf's Cascade agent. The tools now compete on speed and price, with Windsurf adding GPT-5.1 support and cutting its monthly fee to $15.

Meanwhile, Google's TPUs are challenging Nvidia's GPU dominance, with custom chips now outshipping general-purpose GPUs for the first time. Anthropic committed billions to deploy over 1 million TPUs in 2026, promising better performance per dollar for inference. Nvidia countered with its Rubin platform, claiming 90% lower inference costs.

Microsoft brought production-ready MCP support to Azure Functions, adding built-in authentication to address security vulnerabilities like Tool Poisoning Attacks. Salesforce and Google also expanded MCP integration, cementing the protocol as the universal standard for AI connectivity and shifting developer focus from prompt engineering to context engineering.