compare
Codex CLI vs Gemini CLI
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Codex CLI | Gemini CLI |
|---|---|---|
| Language | Rust | TypeScript |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 128k | 107k |
| Latest | rust-v0.160.1 | v0.62.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | too few releases | too few releases |
| Active contributors | 91+ commit authors on the default branch in the last 90 days | 21 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Claude Code. Alternatives to Claude Code →
Full replacementCodex CLIOpenAI's terminal agent, open source and built around OpenAI models.
Full replacementGemini CLIGoogle's terminal agent, open source and built around Gemini models.
Both replace GitHub Copilot. Alternatives to GitHub Copilot →
PartialCodex CLIAn agent that works on the whole repository, without completions as you type.
PartialGemini CLIAn agent that works on the whole repository, without completions as you type.
Codex CLI
- rust-v0.161.0-alpha.13.12026-10-060.161.0-alpha.13.1pre-release
- rust-v0.162.0-alpha.162026-10-050.162.0-alpha.16pre-release
- rust-v0.160.12026-10-050.160.1
- rust-v0.162.0-alpha.152026-10-050.162.0-alpha.15pre-release
- rust-v0.162.0-alpha.142026-10-050.162.0-alpha.14pre-release
Gemini CLI
- v0.64.0-nightly.20261006.gfb972b2f82026-10-06Release v0.64.0-nightly.20261006.gfb972b2f8pre-release
- v0.64.0-nightly.20261005.gfb972b2f82026-10-05Release v0.64.0-nightly.20261005.gfb972b2f8pre-release
- v0.64.0-nightly.20261003.gfb972b2f82026-10-03Release v0.64.0-nightly.20261003.gfb972b2f8pre-release
- v0.64.0-nightly.20261002.gc9096a8472026-10-02Release v0.64.0-nightly.20261002.gc9096a847pre-release
- v0.64.0-nightly.20261001.gc6bccb7ec2026-10-01Release v0.64.0-nightly.20261001.gc6bccb7ecpre-release
Codex CLI
unsigned The latest release, rust-v0.160.1, carries no signature GitHub could verify.
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Gemini CLI
unsigned The latest release, v0.62.0, carries no signature GitHub could verify.
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