#openai

OpenAI closed a $110B round led by Amazon ($50B), Nvidia ($30B), and SoftBank ($30B). ChatGPT now reaches 900 million weekly active users and 50 million paying subscribers.

OpenAI said on February 28, 2026 that it reached an agreement with the U.S. Department of War to deploy advanced AI systems in classified environments. In a follow-up post, the company said the arrangement uses a multi-layer safety approach and cloud-based deployment with cleared personnel in the loop.

Greg Brockman posted that the first steel beams are now up at the Stargate site in Milam County, Texas. The update also names SoftBank and SB Energy as project partners.

Microsoft Azure announced that Microsoft Foundry now offers GPT-Realtime-1.5, GPT-Audio-1.5, and GPT-5.3-Codex. The stated focus is low-latency voice interactions and long-running engineering workflows.

OpenAI and Figma announced a partnership that links Figma Make with OpenAI Codex workflows. The companies position the integration as a faster path from prompt and prototype to production-ready software.

OpenAI and Pacific Northwest National Laboratory announced a public-sector AI pilot focused on permit review for clean energy projects. The program starts in Washington state and aims to reduce timelines from multiple years to under one year.

On February 2, 2026, OpenAI and Snowflake announced an expanded partnership to bring OpenAI models directly into Snowflake Cortex AI. The move targets secure, governed, and lower-friction enterprise deployment of generative AI.

In a February 27, 2026 joint statement, OpenAI and Microsoft said new funding and partner announcements do not alter their existing partnership framework. They reaffirmed unchanged IP access, revenue-share terms, and Azure exclusivity for stateless OpenAI APIs.

A trending Reddit post in r/singularity points to OpenAI's statement that it no longer evaluates on SWE-bench Verified, citing at least 16.4% flawed test cases. The announcement reframes how coding-model benchmark scores should be interpreted in production decision-making.

A high-engagement Hacker News thread (388 points, 535 comments) on Benedict Evans' OpenAI analysis focused on defensibility beyond raw model quality. Users debated stickiness, distribution leverage, and enterprise integration as the real battleground.

OpenAIDevs posted on 2026-02-24 that GPT-5.3-Codex is now available for all developers in the Responses API. The announcement moves API access from a staged rollout to general developer availability.

OpenAI introduced EVMbench, a new benchmark measuring how well AI agents can detect, exploit, and patch high-severity smart contract vulnerabilities in EVM-based blockchains.