Anthropic buys the plumbing OpenAI depends on

TechCrunch

Anthropic acquired Stainless, the SDK generation startup used by OpenAI and Google, for over $300 million and will shut down its hosted products, cutting off competitors from key infrastructure needed for AI agent development.

Cursor

Cursor's Composer 2.5 represents a major upgrade in AI coding assistance with improved intelligence through scaled RL training using targeted textual feedback and 25x more synthetic tasks, while announcing a partnership with SpaceXAI to train an even larger model with 10x more compute.

CNBC

A federal jury dismissed Elon Musk's lawsuit against OpenAI and Sam Altman over alleged breach of nonprofit commitments, ruling Musk waited too long to file and suggesting the suit was competitive retaliation after Musk launched rival xAI. The decision clears a major legal obstacle for OpenAI ahead of its expected public offering at an $850 billion valuation.

TechCrunch

OpenAI integrated direct financial account access into ChatGPT, allowing Pro users to connect banks and receive AI-powered spending analysis and financial planning, capitalizing on the company's 200M monthly finance question volume.

Anthropic

Anthropic acquired Stainless, the SDK generation platform behind all official Claude SDKs, to strengthen agent connectivity as AI shifts from answering questions to taking action. The move reinforces Anthropic's Model Context Protocol (MCP) strategy for enabling AI agents to connect with external tools and data.