Aider leads in popularity with 47,909 stars vs 26,689 stars for Kilo. The 80% higher star count indicates stronger community adoption. In terms of developer contributions, Aider has 4,807 forks, indicating strong developer engagement.

Kilo shows more recent development activity with its last commit 8 hours ago, while Aider was last updated 2 months ago. This suggests Kilo is being more actively maintained.

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Python. However, they differ in their additional technology choices: Aider uses SCSS, Ruby while Kilo leverages Typescript, JSX, Next.js, Golang, PHP.

Aider has been in development longer, starting 3 years ago, compared to Kilo which began 1 year ago. This 1.9-year head start suggests Aider may have more mature features and established processes.

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

Both tools serve similar use cases in AI Coding Assistants. However, they also have distinct specializations: Kilo extends into AI Code Reviewers, IDEs & Code Editors.