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

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

OpenAI launches Codex desktop app to power next-generation software development; check features and how to use

OpenAI has launched a new Codex desktop application as it looks to strengthen its position in the fast-growing market for ...

ChatGPT-5.3 Codex & Claude Opus 4.6 Launch Offering Unmatched Coding Speed or Long Recall Depth

Claude Opus 4.6 and ChatGPT 5.3 Codex launch with a 1-million-token window and 25% faster runs, letting you match tasks to ...

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 ...

OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new

OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new ...
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OpenAI Launches Codex for Mac with Parallel AI Coding Agents

OpenAI has launched Codex for macOS, a desktop app enabling developers to manage multiple AI coding agents working simultaneously on projects with worktrees support.