Source: https://seerepo.com/leaderboard/2026-09
Markdown source: https://seerepo.com/leaderboard/2026-09.md
Description: GitHub Copilot signed 3 commits in 1 of the public repos SeeRepo read in September 2026. The AIs by commits signed, the repos with most commits and where AI signs most, each with its criterion.

# Which AI wrote the most code in September 2026?

GitHub Copilot signed 3 commits in 1 of the public repos SeeRepo read in September 2026.

September 2026, as it stood on October 26, 2026. This photo doesn't change.

## The AIs, by commits signed

The commits each AI tool signed in the month, in the public repos in Google. A commit counts for an AI when it carries its signature.

1. GitHub Copilot: 3 commits in 1 repo
2. Claude Code: 2 commits in 1 repo

## The repos with most commits

The month's commits, merges left out.

1. [freeCodeCamp/freeCodeCamp](https://seerepo.com/r/freeCodeCamp/freeCodeCamp/built): 337 commits · TypeScript

## Where AI signs most

The share of the month's commits an AI signed, among the repos with 20 signed commits or more.