Anthropic's Claude Opus 4.6 and OpenAI's GPT-5.3-Codex go head-to-head in agentic coding, but are there any differences?

The new coding model is the first time the brand has found its own models can be instrumental in its own development.

OpenAI launched GPT-5.3-Codex as Anthropic released Claude Opus 4.6 in a simultaneous drop that kicks off the AI coding wars, ...

OpenAI launches the Codex desktop app to help developers manage multiple AI agents working on software projects.

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 ...

GitHub is making Claude by Anthropic and OpenAI’s Codex AI coding agents directly available inside GitHub today. A new public ...

And then there's agentic AI coding. When a tool can help you do four years of product development in four days, the impact is world-changing. While vibe coding has its detractors (for good reason), AI ...

Microsoft sells GitHub Copilot to its customers, but it increasingly favors Claude Code internally. Microsoft sells GitHub Copilot to its customers, but it increasingly favors Claude Code internally.

AI coding agents from OpenAI, Anthropic, and Google can now work on software projects for hours at a time, writing complete apps, running tests, and fixing bugs with human supervision. But these tools ...

Developers are navigating confusing gaps between expectation and reality. So are the rest of us. Depending who you ask, AI-powered coding is either giving software developers an unprecedented ...