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 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.
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.
A study published in Science journal found that ChatGPT surfaced a surprising insight in particle physics research that human scientists had missed, raising new questions about AI's role in scientific discovery.
Following Anthropic's refusal to cooperate with the Pentagon and its announcement of legal action, a wave of ChatGPT users switched to Claude, pushing the Claude app to No. 1 on the US App Store.
The 'Cancel ChatGPT' movement has gone mainstream following OpenAI's deal with the U.S. Department of Defense. Anthropic's refusal to apply Claude to mass surveillance or autonomous weapons has driven a wave of user migration from ChatGPT to Claude.
The 'Cancel ChatGPT' movement has gone mainstream following OpenAI's deal with the U.S. Department of Defense. Anthropic's refusal to apply Claude to mass surveillance or autonomous weapons has driven a wave of user migration from ChatGPT to Claude.
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 is finalizing a $100B+ funding round backed by Amazon, SoftBank, Nvidia, and Microsoft. The deal would value the AI company at over $850 billion—a record for any private tech company.
OpenAI is finalizing a record-breaking $100B+ funding round valuing the company at over $850B. Amazon, Nvidia, SoftBank, and Microsoft are among the key investors, marking the largest private tech fundraise in history.
OpenAI announced GPT-5 on 2025-08-07 for both ChatGPT and API usage. The launch highlights include a reported 45% hallucination reduction vs GPT-4o and major benchmark gains such as HealthBench Hard 44.6.