Head to head

Codex CLI vs Gemini CLI

Codex CLI and Gemini CLI both work in AI Coding. Here is how they stack up on pricing, access, context and our editorial scores, and which one to pick.

Side by side

Tool
Codex CLIby OpenAI4.7Setuproll editorial score
Tool
Gemini CLIby Google4.9Setuproll editorial score
PricingPaidUsage billing on API
PricingOpen SourceFree tier, then usage
AccessCLI
AccessCLI
ContextModel-dependent
Context1M context
Open sourceNo
Open sourceYes
Best forScripted coding from the command line
Best forLong-context coding for free
Setuproll score4.7
Setuproll score4.9

The verdict

Gemini CLI edges ahead overall, with a 4.9 Setuproll editorial score and a strong fit for long-context coding for free. Codex CLI is the better pick when you want scripted coding from the command line, and it stays in the running on price and access. Most teams choose Gemini CLI as the default and reach for Codex CLI when their workflow leans that way.

Frequently asked questions

Is Codex CLI or Gemini CLI better?

Codex CLI holds a 4.7 Setuproll editorial score and is best for scripted coding from the command line, while Gemini CLI holds a 4.9 and is best for long-context coding for free. Pick Codex CLI for scripted coding from the command line and Gemini CLI for long-context coding for free.

What is the difference between Codex CLI and Gemini CLI?

Codex CLI is reached as CLI (paid) with Model-dependent, while Gemini CLI is reached as CLI (open source) with 1M context. They overlap on AI Coding but lead in different parts of the workflow.

Is Codex CLI cheaper than Gemini CLI?

Codex CLI is usage billing on api, and Gemini CLI is free tier, then usage. Gemini CLI is open source, so it can be the cheaper option if you self-host.

Keep exploring

Other comparisons