GPT-5.3-Codex is about more than just writing code ...

The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and spreadsheets. On Thursday, OpenAI released GPT-5.3-Codex, a new model that ...

OpenAI has introduced GPT-5.3-Codex on 5 February 2026, positioning the release as a major step towards agentic coding systems that work alongside developers. According to the company, the model is ...

OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...

OpenAI’s GPT-5.3-Codex expands Codex into a full agentic system, delivering faster performance, top benchmarks, and advanced cybersecurity capabilities.

“Codex-Spark is the first step toward a Codex that works in two complementary modes: real-time collaboration when you want ...

The race to build the ultimate AI coding agent has entered a more mature, more revealing phase. With fresh releases from Anthropic and OpenAI, the competition is no longer about flashy demos or clever ...

OpenAI has launched GPT-5.3 Codex offering a 25% speed increase over GPT-5.2 Codex, helping developers ship code faster.

The new coding model released Thursday afternoon, entitled GPT-5.3-Codex, builds on OpenAI’s GPT-5.2-Codex model and combines insights from the AI company’s GPT-5.2 model, which excels on non-coding ...