GPT-5.3-Codex can now operate a computer as well as write code It's also quicker, uses fewer tokens and can be reasoned with mid-flow Codex 5.3 was even used to build itself and the team was "blown ...

The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5.2-Codex coding strength with GPT-5.2 reasoning and professional knowledge, ...

OpenAI has rolled out GPT-5.4 (Thinking) and GPT-5.4 Pro across ChatGPT, its API and Codex, introducing improvements in ...

Controversy over OpenAI's agreement to provide AI to the Pentagon has swamped news about Codex's rapid adoption ...

In an era where AI writes all the code, the task humans must excel at is ‘harness engineering,’” OpenAI wrote in a blog post shortly after releasing its latest coding AI agent (secretary), “GPT 5.3 ...

OpenAI upgrades Codex to automate your workflows - and compete better with Claude Code ...

OpenAI’s Codex 5.3 now leads in a new benchmark for testing AI agents' ability to reproduce computational results from ...

OpenAI has introduced GPT‑5.1-Codex-Max, a new frontier agentic coding model now available in its Codex developer environment. The release marks a significant step forward in AI-assisted software ...

Anthropic accidentally leaked source code for its Claude Code AI, revealing proprietary techniques and tools. This "human ...

OpenAI unveils GPT-5.4 mini and nano models with faster speeds, improved benchmarks, multimodal features and cost-efficient pricing for coding, automation and real-time AI applications.

November 13, 2025: OpenAI has introduced GPT-5.1, an update to its GPT-5 model, aiming to deliver faster responses, improved ...