BREAKING
Meta Curbs Claude Code and Codex Use
Fear: distillation into training data
How distillation risk spreads
1
Use Claude or Codex
↓
2
Outputs mix in
↓
3
Train Meta models
↓
4
Capabilities leak
Claude Code vs Codex
Claude Code
Anthropic
●
Agentic CLI tool
●
Strong on large codebases
●
Built on Claude Opus 4.x
Codex
OpenAI
●
CLI and desktop app
●
Built on GPT-5.3-Codex
●
Gartner agentic coding Leader
0
M
Codex weekly users
0
firms named in attacks
Guarding training data purity
AI NEWS BLITZ
Meta is telling its engineers to limit use of Anthropic's Claude Code and OpenAI's Codex.