PRODUCT / AI Coding

Codex CLI

Codex CLI is a product evaluated in our AI comparisons. Compare Claude Code and OpenAI Codex CLI for terminal-based AI coding. See benchmarks, pricing, features, and which fits your workflow.

AI CodingEntry pricing: $20/moVERIFIED

BEST FOR

Who this fits

Codex CLI is recommended when: COST / AUTOMATION / DEVOPS. ~4x token efficiency, full-auto mode, GitHub Actions, kernel sandbox.

LESS SUITABLE FOR

Who should look elsewhere

Less suitable if you match: QUALITY / FRONTEND / ARCHITECTURE — in that case Claude Code may be a better fit.

KEY CAPABILITIES

• ~75-80% SWE-bench; stronger on Terminal-Bench (77.3%) and shell/DevOps automation. • ~1.5M tokens per task (~4x more efficient); ~$15 on the same complex task. $20 plan rarely hits limits. • Full-auto mode; kernel-level sandboxing; native GitHub Actions and Slack. • Open source (Apache 2.0), Codex SDK, AGENTS.md, adjustable reasoning levels.