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Tools2026-07-11 · source-backed
Alongside GPT-5.6, OpenAI folded Codex into the ChatGPT desktop client with faster Computer Use, inline Markdown/code editing, GitHub PR review in the sidebar next to the diff, and multi-repo work in one project. The agent surface is consolidating into the chat client, and the workflow now assumes multi-repo, review-in-place operation rather than a single-repo CLI loop. If you're comparing Codex to Claude Code, that's the new baseline.
Each link below shares sources, entities, or timing with this story.
OpenAI released Terra / Shared entities / Same source / Shared topic / What happened next
Linked by a graph relationship (OpenAI released Terra); both cover ChatGPT, Codex, OpenAI; cite the same source (folded Codex into the ChatGPT desktop client).
OpenAI uses Vercel / Shared entities / Shared topic / What happened next
Linked by a graph relationship (OpenAI uses Vercel); both cover ChatGPT, Claude Code, Codex, OpenAI; overlapping topics (agent, chatgpt, claude, code, codex).
OpenAI supports MCP / Shared entities / Same source / Shared topic / Earlier coverage
Linked by a graph relationship (OpenAI supports MCP); both cover Claude Code, CLI, OpenAI; cite the same source (folded Codex into the ChatGPT desktop client).
OpenAI uses Claude Code / Shared entities / Shared topic / What happened next
Linked by a graph relationship (OpenAI uses Claude Code); both cover Claude Code, CLI, Codex, OpenAI; overlapping topics (agent, claude, code, codex).
Linked by a graph relationship (OpenAI uses Claude Code); both cover Claude Code, CLI, Codex, OpenAI; overlapping topics (agent, claude, code, codex).
OpenAI released Codex CLI / Shared entities / Same source / Shared topic / Earlier coverage
Linked by a graph relationship (OpenAI released Codex CLI); both cover CLI, Codex, OpenAI; cite the same source (folded Codex into the ChatGPT desktop client).
ChatGPT built by OpenAI / Shared entities / Same source / Shared topic / Earlier coverage
Linked by a graph relationship (ChatGPT built by OpenAI); both cover ChatGPT, Codex, OpenAI; cite the same source (folded Codex into the ChatGPT desktop client).
OpenAI uses Claude Code / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (OpenAI uses Claude Code); both cover Claude Code, CLI, Codex, OpenAI; overlapping topics (agent, claude, code).