Brex vs KAYAK
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
Brex and KAYAK both appear on the Smoower Developer Ecosystem Index.
Brex (rank #257) holds a modest lead over KAYAK (rank #485) on the overall Smoower ecosystem score (47 vs 38). The gap of 9 points reflects composite signals across code, docs, community and reach.
On code quality (the state of repositories, tests, releases and polish), KAYAK is ahead of Brex. On education (docs, guides and learning material for developers), Brex is ahead of KAYAK. On community (issue response, PR reviews and discussion health), Brex is ahead of KAYAK. On reach (how visible the ecosystem is beyond its own repos), Brex is slightly ahead of KAYAK. On momentum (release cadence and how fast the ecosystem moves), Brex is slightly ahead of KAYAK.
Brex carries 10,822 GitHub stars across 84 public repos, with 28 repositories active in the last 90 days and 13 external contributors on record. KAYAK shows 3,186 stars across 72 public repos, 4 active in the last 90 days and 1 external contributors. The star gap on its own does not decide the comparison, but Brex's footprint is roughly 3.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.
Brex is the stronger read for anyone weighting community. KAYAK looks better where code quality is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.
Side-by-side metrics
| Metric | Brex | KAYAK |
|---|---|---|
| Ranking | ||
| Overall rank | #257 | #485 |
| Pillars | ||
| Overall | 47 | 38 |
| Code | 49 | 59 |
| Education | 71 | 59 |
| Community | 43 | 30 |
| Reach | 46 | 44 |
| Momentum | 37 | 36 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 10,822 | 3,186 |
| Forks | 699 | 462 |
| Public repos | 84 | 72 |
| Active repos (90d) | 28 | 4 |
| External contributors | 13 | 1 |
| Avg polish | 49 | 56 |
| Avg AI-readiness | 42 | 44 |