Anthropic's new Claude Security tool scans your codebase for flaws - and helps you decide what to fix first

It uses Opus 4.7 to scan, validate, and generate patches, helping fix dangerous flaws before they can be exploited.

OpenAI Codex system prompt includes explicit directive to “never talk about goblins”

The system prompt for OpenAI’s Codex CLI contains a perplexing and repeated warning for the most recent GPT model to “never ...

Claude Code, Copilot and Codex all got hacked. Every attacker went for the credential, not the model.

Six teams exploited Claude Code, Copilot, Codex, and Vertex AI in nine months. Every attack hit runtime credentials that IAM ...
XDA Developers on MSN

Codex CLI felt safer than Claude Code, but it cost me my flow

Not a replacement, but not dismissible either.
Hosted on MSN

Codex CLI challenges Claude Code in workflow test

A hands-on comparison between OpenAI’s Codex CLI and Anthropic’s Claude Code reveals distinct strengths in AI-assisted coding workflows. While Codex CLI offers precise, step-by-step control, Claude ...