OpenAI’s big Codex update is a direct shot at Claude Code

The package of updates comes as OpenAI’s rivalry with Anthropic intensifies, following the stellar successes of Claude Code ...
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Anthropic’s Alarming Mythos Findings Replicated With Off-the-Shelf AI, Researchers Say

Security researchers used GPT-5.4 and Claude Opus 4.6 in an open-source harness to reproduce Anthropic's Mythos vulnerability ...
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OpenAI Super App Takes Shape: Codex Gets Computer Use, Browser, and Image Gen

OpenAI's Codex desktop app now controls your Mac, runs its own browser, and generates images in a new update released today.

OpenAI takes aim at Anthropic with beefed-up Codex that gives it more power over your desktop

OpenAI's agentic coding tool has gotten a major makeover, with a variety of new powers and abilities.