ChatGPT 5.3 Codex Moves Ahead on Code, While Claude’s 4.6 AI Banks on Reliability

On a 2.0 terminal benchmark, OpenAI’s model scores about 10% higher, guiding users toward stronger results on long, complex ...

OpenAI picks up pace against Claude Code with new Codex desktop app

By launching a desktop app, OpenAI is catching up to Anthropic’s popular Claude Code, which already offered a macOS version.

Claude Opus 4.6 vs GPT-5.3 Codex: Who is leading the coding agent race

The race to build the ultimate AI coding agent has entered a more mature, more revealing phase. With fresh releases from ...

GPT-5.3 Codex Raises the Bar, but Opus 4.6 Still Owns Deep Reasoning

In benchmark tests such as Swaybench Pro and Terminal Bench, GPT-5.3 Codex consistently outperformed its predecessors, setting new standards for speed and execution. When compared to Anthropic’s Opus ...

OpenAI's new Codex app hits 1M+ downloads in first week — but limits may be coming to free and Go users

In a major milestone for the "AI coding wars," OpenAI CEO Sam Altman confirmed on X that the company's standalone Codex ...

With GPT-5.3-Codex, OpenAI pitches Codex for more than just writing code

Today, OpenAI announced GPT-5.3-Codex, a new version of its frontier coding model that will be available via the command line, IDE extension, web interface, and the new macOS desktop app. (No API ...

GitHub integrates Claude and Codex AI coding agents directly into GitHub

GitHub users can now use third-party coding agents ...

GitHub adds Claude and Codex AI coding agents

Microsoft-owned GitHub continues to embrace OpenAI and Anthropic AI advances.

OpenAI's Codex just got its own Mac app - and anyone can try it for free now

OpenAI's Codex just got its own Mac app - and anyone can try it for free now ...