AINewsnow

OpenAI is building Codex Replay, a tool that invites Claude Code users to put Codex head-to-head on their own work — rerunning imported tasks and comparing the results

This story is from 2026-09-14. It is preserved in the archive; the latest stories are on the live feed.

Coverage of "OpenAI is building Codex Replay, a tool that invites Claude Code users to put Codex head-to-head on their own work — rerunning imported tasks and comparing the results" from 1 source, with a live timeline of who reported what and when.

Read the full story at r/ChatGPTCoding ↗

Timeline · 1 report

  1. 2026-09-14 02:33 · r/ChatGPTCoding
    OpenAI is building Codex Replay, a tool that invites Claude Code users to put Codex head-to-head on their own work — rerunning imported tasks and comparing the results

More stories

  1. Novo Nordisk Will Use Anthropic’s Claude for Drug Research — Wall Street Journal Technology
  2. Claude Code relaunches Projects to manage multiple AI agents in the cloud — The Verge AI
  3. OpenAI discloses six new safety incidents — Axios AI+
  4. Researchers used Claude to hack OpenAI — Ars Technica AI
  5. OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbot — The Guardian AI
  6. Anthropic adds support for the AGENTS.md instructions spec to Claude Code; OpenAI contributed AGENTS.md to the Agentic AI Foundation last year (Thomas Claburn/The Register) — Techmeme
  7. A zero-click RCE flaw in AI coding agents could have exposed enterprise systems — InfoWorld AI
  8. Tested Cursor, Claude Code, Codex and Antigravity on the exact same app build — r/AI_Agents

Get the daily brief of stories like this at 6:30 every morning →