Jury throws out Musk's OpenAI suit + Cursor ships Composer 2.5

Nine California jurors unanimously ruled on May 18 that Elon Musk's lawsuit accusing Sam Altman, Greg Brockman, OpenAI, and Microsoft of "stealing a charity" by converting the nonprofit lab to a for-profit was filed too late under the statute of limitations, ending a years-long structural threat to OpenAI ahead of its reported IPO. Musk had sought between $78.8 billion and $135 billion in damages. Judge Yvonne Gonzalez Rogers said there was a "substantial amount of evidence to support the jury's finding." Musk vowed to appeal to the Ninth Circuit.

Cursor released Composer 2.5, an updated coding model built on Moonshot AI's open-source Kimi K2.5 checkpoint and trained with 25-times more synthetic tasks than Composer 2, plus a new sharded-Muon distributed-training setup. Cursor claims "substantial improvement in intelligence and behavior" on long-running tasks and complex instruction-following. Pricing is $0.50 per million input tokens and $2.50 per million output, with a fast variant at $3 and $15. The first week ships with double usage included.

SandboxAQ integrated its Large Quantitative Models for quantum chemistry, molecular dynamics, and microkinetics directly into Claude, letting computational and research scientists at pharmaceutical and materials companies query simulation-grade physics models in natural language without their own digital infrastructure. "For the first time, we have a frontier quantitative model on a frontier large language model that someone can access in natural language," said Nadia Harhen, SandboxAQ's general manager of AI simulation. Anthropic has not yet detailed the underlying integration mechanism.

Amazon launched Alexa+ Podcasts, an Alexa+ feature that generates AI-narrated podcast episodes on any topic in minutes after a single voice request, letting users adjust length, tone, and focus mid-conversation. Episodes pull from the Associated Press, Reuters, The Washington Post, TIME, Forbes, Politico, USA Today, and over 200 local newspapers to ground responses in current news. The feature is bundled into Alexa+ — itself complimentary for Prime members — and rolled out to U.S. customers on May 18.

Anthropic acquired Stainless, the developer-tools startup whose software has built every official Claude SDK since the API shipped — and also powers SDKs at OpenAI, Google, Cloudflare, Replicate, and Runway. The Information reported the deal valued at over $300 million; Anthropic will wind down all hosted Stainless products, leaving the technology exclusive to its own developer stack. Head of Platform Engineering Katelyn Lesse framed the move as a bet on agent connectivity: "Agents are only as useful as what they can connect to."

Odyssey introduced Agora-1, a learned world model that lets up to four humans or AI agents share the same real-time generated simulation by separating simulation from rendering — the system learns how world state evolves from actions and uses a diffusion-transformer model to render each player's view from that shared state. The launch demo runs as a GoldenEye-style deathmatch, with the team flagging robotics, defense, and multi-agent reinforcement learning as longer-term applications. CEO Oliver Cameron called it "an entirely new class of interactive systems."