Tag: Codex
About Codex
productCodex is OpenAI’s command-line agent. After the parallel-task release, it’s the harness most associated with “point at a big workload and watch it factor itself” — migrations, renames, repo-wide refactors. Coverage on this tag follows benchmark scores, planner architecture, and how Codex stacks up against Claude Code in head-to-head developer surveys.
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OpenAI's Codex CLI ships parallel-task mode — and the benchmarks are wild
Internal SWE-bench numbers show a 38% jump on multi-file refactors over last month's release. The trick: structured task decomposition that runs sub-agents in parallel.
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Inside the harness wars: how Claude Code, Codex, Hermes, and OpenClaw are redrawing the agent stack
Four contenders, four philosophies, two completely different problem statements. We talked to people on all four sides about what they're actually competing on — and where they're not competing at all.