Codex CLI pricing (2026)
Codex CLI is open source. The software itself is free — you pay only for the LLM tokens it consumes.
All pricing tiers
- +Apache-2.0 binary
- +BYO OpenAI / Anthropic key
- +Composable from Makefiles + scripts
Which tier should you pick?
Open source · Free
CLI-native engineersFree is the right starting point. Use it to validate the workflow before you commit budget — the limits will tell you whether Codex CLI is the right tool for your use case. Best for: cli-native engineers.
Sticker price is the start. Token spend, seat counts, and per-task overages move the real number meaningfully. Our calculator does the math.
Frequently asked questions
How much does Codex CLI cost?+
Codex CLI is open source — the software itself is free. You pay only for the LLM API key you bring (Anthropic, OpenAI, Gemini, or local models via Ollama). Daily-driver usage typically runs $0–$120/month in token costs depending on which model you use.
Does Codex CLI have a free plan?+
Yes — the Open source tier is free (cli-native engineers). Apache-2.0 binary. BYO OpenAI / Anthropic key. For heavier usage you'll likely need a paid tier.
Start on the free Open source tier and upgrade only when you hit the limits.
Prices are subject to change by the vendor. We may earn a commission at no extra cost to you.