CodeAnt
Claude
OpenAI Codex
Kodus
Korbit
Code Climate
Qodo
Cubic
Amazon Q Developer
GreptileGitHub Copilot vs OpenAI Codex
GitHub Copilot is GitHub's native AI assistant spanning code completion, chat, and PR review with zero third-party setup. OpenAI Codex is OpenAI's cloud-based coding agent that reviews PRs asynchronously in a sandboxed environment. Compare their review volume, growth, repos, and community reactions side-by-side.
Trends Over Time#
Compare how products evolve week by week. Pick a metric to explore.
| Product | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OpenAI Codex | +17.9% | 285,090 | 348,129 | 200,498 | 9,893 | 8,282 | 1.2 | 35 | 34 | 88.1%★ | 4.1%★ | 26,555 | 3,594 | 49 | 27,986 | 40,827 | 7,608★ | 41 | +2,900 | −1,476 | 25.7 | 77.2% | 11h |
| GitHub Copilot | -58.8% | 2,575,633★ | 3,631,779★ | 308,942★ | 23,482★ | 17,421★ | 1.4★ | 155★ | 148★ | 85.2% | 0.5% | 36,232★ | 6,271★ | 551★ | 65,639★ | 137,901★ | 5,909 | 82★ | +3,545★ | −1,481★ | 28.3★ | 81.4%★ | 3d★ |
Click any column header to sort. ★ marks the highest number in each column. Higher doesn't necessarily mean better. Methodology.
Comments per PR#
Average number of review comments each bot leaves per pull request.