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Codex CLI vs Kilo

Learn how Codex CLI and Kilo differ in their key features, development activity, technology stack and community adoption, so you can decide which of these ai coding agents is best for you.

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Favicon of Codex CLI

Codex CLI

AI
Terminal-based AI coding agent that inspects files, edits code, runs commands, and integrates into CI pipelines using OpenAI's Codex models.
Screenshot of Codex CLI
Favicon of Kilo

Kilo

AI
Open source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.
27,621stars+307(+1.1%)

Last 30 days

Screenshot of Kilo

Detailed Comparison

Both Codex CLI and Kilo have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, maturity, licensing and features when making your decision.

Codex CLI wins
Community & Popularity

Codex CLI significantly outpaces Kilo in community adoption with 129,383 stars compared to 27,621 stars on GitHub. This 4.7x difference suggests Codex CLI has a much larger and more active community. In terms of developer contributions, Codex CLI has 20,355 forks, indicating strong developer engagement.

Kilo wins
Growth Momentum

Kilo is growing faster, adding 307 stars in the last 30 days (+1.1%) against adding 0 stars for Codex CLI (0%). Kilo is the smaller project of the two, so it is closing the gap rather than extending a lead.

Comparable
Development Activity

Both projects show recent activity, with Codex CLI last updated 1 hour ago and Kilo 1 hour ago.

Comparable
Project Maturity

Both projects started around the same time, with Codex CLI beginning 2 years ago and Kilo 2 years ago.

Kilo wins
Licensing

Kilo uses the MIT license, which is more permissive than Codex CLI's Apache-2.0 license, potentially offering greater flexibility for commercial use and integration.

Comparable
Use Cases & Features

Both tools serve similar use cases in AI Coding Agents.