Brex vs Klaviyo
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
Brex and Klaviyo both appear on the Smoower Developer Ecosystem Index.
Klaviyo (rank #237) holds a narrow lead over Brex (rank #257) on the overall Smoower ecosystem score (48 vs 47). The gap of 1 points reflects composite signals across code, docs, community and reach.
On code quality (the state of repositories, tests, releases and polish), Klaviyo is slightly ahead of Brex. On education (docs, guides and learning material for developers), Brex is ahead of Klaviyo. On community (issue response, PR reviews and discussion health), Klaviyo is slightly ahead of Brex. On reach (how visible the ecosystem is beyond its own repos), Brex is slightly ahead of Klaviyo. On momentum (release cadence and how fast the ecosystem moves), Brex is slightly ahead of Klaviyo.
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. Klaviyo shows 573 stars across 117 public repos, 23 active in the last 90 days and 17 external contributors. The star gap on its own does not decide the comparison, but Brex's footprint is roughly 18.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.
Brex is the stronger read for anyone weighting education. Klaviyo looks better where community 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 | Klaviyo |
|---|---|---|
| Ranking | ||
| Overall rank | #257 | #237 |
| Pillars | ||
| Overall | 47 | 48 |
| Code | 49 | 54 |
| Education | 71 | 56 |
| Community | 43 | 49 |
| Reach | 46 | 41 |
| Momentum | 37 | 34 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 10,822 | 573 |
| Forks | 699 | 339 |
| Public repos | 84 | 117 |
| Active repos (90d) | 28 | 23 |
| External contributors | 13 | 17 |
| Avg polish | 49 | 57 |
| Avg AI-readiness | 42 | 42 |