BREAKING
OpenAI Codex Plugin Runs Inside Claude Code
Claude Writes, Sol Reviews Before Commit
1Claude generates code
2Sol reviews adversarially
3Developer commits
Two Ways to Add Sol to Claude Code
Plugincodex-plugin-cc
/codex:review
/codex:adversarial-review
/codex:rescue
Proxyenv var
CLAUDE_CODE_SUBAGENT_MODEL=gpt-5.6-sol
Routes Sol as a subagent
Main or secondary engine
0%
Sol cost vs Fable 5
0M
context window tokens
Sol vs Fable 5: Different Strengths
GPT-5.6 Sol
Prototyping and design
Lower cost
React, Blender, 3D dashboards
Claude Fable 5
Large-scale engineering
Strong on SWE-bench Pro
Native auto mode holds up
Coding Agents From Best-of-Breed Parts
AI NEWS BLITZ
OpenAI just shipped an official plugin that puts its GPT-5.6 Sol model inside Anthropic's Claude Code.