openai

A coalition of 42 state attorneys general subpoenaed OpenAI on June 12, days after the company filed confidentially to go public, demanding records on advertising, health data, minors, and model sycophancy.

OpenAI's first custom silicon, the Broadcom-built Jalapeño inference accelerator, went from design to tape-out in nine months and targets deployment by the end of 2026.

GPT-5.4 paired with Molecule.one's Maria platform proposed, ran, and analyzed a 10,080-reaction campaign that lifted yields of a hard sulfonamide coupling using the additive TEMPO.

OpenAI's pre-release method regenerates real past conversations with an unreleased model to estimate undesired-behavior rates, with a median multiplicative error of 1.5x.

Microsoft unveiled seven proprietary MAI models led by the 35B-active reasoning model MAI-Thinking-1, all trained from scratch without distillation as it reduces its dependence on OpenAI.

OpenAI is extending Codex into finance and legal work, weeks after Anthropic expanded Claude for Legal with 12 plugins and 20-plus integrations.

After a March 2026 launch that left users contending with broad ACL changes and stale sandbox profiles, OpenAI published a stricter design splitting Codex into offline and online local users with DPAPI-protected credentials and a command-runner handoff.

AI chipmaker Cerebras priced its IPO $25 above the upgraded range on May 13, opened at $350 on Nasdaq the next morning, and closed its first session at $311.07 before slipping roughly 10% on Friday.

OpenAI launched a personal finance preview in ChatGPT on Friday for Pro subscribers in the US, using Plaid to pull read-only data from more than 12,000 financial institutions into a single dashboard.

After four years of promises, Warp released its terminal client on GitHub under AGPLv3, with OpenAI sponsoring a contribution workflow that has agents writing code while humans focus on review.

A majority-owned joint venture led by TPG embeds OpenAI engineers inside enterprises to convert frontier model access into measurable business outcomes.

Six-company collaboration publishes Multipath Reliable Connection 1.0 through the Open Compute Project on May 6 after production use in OpenAI's Blackwell-class supercomputers at Microsoft Fairwater and Oracle Cloud Infrastructure Abilene.