Pyyan / Agentic Tools / Codex

Codex

Holds the Terminal-Bench record.

currentOpenAI ↗Verified 2026-08-13

#2

agentic coding

Specifications

Surface	CLI + cloud
Subagents	No

Official links

OpenAI official site

What matters

Asynchronous and cloud-isolated
No subagent support

Best for async cloud runs.

Compare with

All 5 side by side →

Codex vs Claude Code →Codex vs Cursor →Codex vs Devin →Codex vs GitHub Copilot →Codex vs Antigravity →

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