OpenAI announced a new Learning Outcomes Measurement Suite focused on causal, evidence-based evaluation of AI in classrooms. The company says independent pilots in 2026 will span seven countries, more than 10,000 students, and 10 partner institutions.
OpenAI Developers posted that the Codex app is now available on Windows with a native agent sandbox and PowerShell-oriented developer environment support. The update extends Codex usage beyond previous desktop workflows and signals deeper Windows integration for agentic coding tasks.
OpenAI said on February 28, 2026 that it reached an agreement with the Department of War for classified AI deployments, and posted a March 2 update adding explicit domestic-surveillance limitation language. The company highlights cloud-only deployment, retained safety-stack control, and cleared personnel-in-the-loop safeguards.
OpenAI released the GPT-5.3 Instant System Card on March 3, 2026. The document reports category-level disallowed-content scores, dynamic multi-turn safety testing updates, and HealthBench outcomes, including areas of both improvement and regression.
On March 3, 2026 (UTC), OpenAI said on X that GPT-5.3 Instant is rolling out to all ChatGPT users. Its linked product post details improvements in refusal behavior, web-grounded answer synthesis, and availability across ChatGPT and API.
OpenAI released GPT-5.3 Instant on March 3, 2026, claiming fewer unnecessary refusals, better web synthesis, and double-digit hallucination reductions across internal evaluations.
OpenAI’s February 2026 safety report says it banned accounts linked to seven operations originating in China. The company says abuse covered cyber activity, covert influence, and scams, while overall malicious use remained low versus legitimate use.
OpenAI released GPT-5.3 Instant on March 3, 2026 as a faster, cheaper derivative of GPT-5.3 for day-to-day use. The company says it matches GPT-4.1 latency and pricing while improving instruction following and reducing hallucinations.
OpenAI finalized the largest private tech funding round in history, raising $110B from Amazon ($50B), NVIDIA ($30B), and SoftBank ($30B). The company is now valued at $840B and plans to expand its AWS partnership to $100B over eight years.
Anthropic's Claude iOS app shot to number one on the US App Store as users switched from ChatGPT in solidarity with Anthropic's decision to refuse Pentagon military surveillance requests.
After Trump ordered federal agencies to stop using Anthropic AI, the Pentagon designated the firm a national security supply chain risk—and OpenAI secured a competing Defense Department agreement within hours.
Sam Altman announced OpenAI reached an agreement with the U.S. Department of War to deploy AI models on classified networks, with core safety principles including bans on domestic mass surveillance and autonomous weapon systems.