ChatGPT 5.4 model: OpenAI has introduced a new artificial intelligence model called GPT-5.4, which is now available in ...

OpenAI has introduced GPT-5.4, the latest upgrade powering ChatGPT with a new “Thinking Mode,” better reasoning, and ...

OpenAI's new GPT-5.4 AI model in ChatGPT combines advanced reasoning, computer use, and agentic workflows into a single ...

New ChatGPT 5.4 Model Is 'Built for Agents.' Will It Lure Back Claude Converts?

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

GPT-5.4 raises cost for heavy workloads; base rates start at $2.50 per million input tokens and $15 per million output tokens ...

OpenAI released GPT-5.4 in ChatGPT (as GPT-5.4 Thinking), the API, and Codex, calling it its most capable and efficient ...

ChatGPT is now using its 5.4 Thinking model for deeper reasoning, and it's even better at handling "professional work." ...

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

OpenAI has launched Codex for Open Source, offering maintainers six months of free ChatGPT Pro and API credits amid a surge of AI-generated pull requests.

OpenAI CEO Sam Altman sent a memo to his staffers outlining a "code red" effort to improve ChatGPT, according to multiple reports. The company is facing increasingly stiff competition from rivals like ...