GPT-5.4 is billed as "our most capable and efficient frontier model for professional work." ...

In keeping with its recently accelerated release cadence, OpenAI has shipped GPT-5.4 (including GPT-5.4 Thinking and GPT-5.4 ...

OpenAI released GPT-5.4, billing it as the company’s most capable enterprise-grade AI model yet and a direct challenge to Anthropic’s growing foothold in business applications. The launch comes during ...

OpenAI launches GPT-5.4 across ChatGPT, API, and Codex with stronger reasoning, coding, and computer use capabilities.

OpenAI launches GPT 5.4 with better reasoning, coding and professional task support. All you need to know about GPT 5.4.

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...

GPT-5-Codex introduces agentic coding with cloud hand-offs. GitHub integration catches bugs and backward compatibility issues. Usage of Codex surged 10x among developers in a month. OpenAI today ...

OpenAI releases GPT-5.3 Instant for ChatGPT with fewer refusals, improved web answers, and reduced hallucinations across major benchmarks.

OpenAI stopped using Mixpanel after a vendor breach exposed API account data. ChatGPT users were not affected, but API users are advised to stay alert for phishing risks.