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Kazuhiro Sera

90d · built 2026-09-08

top-100 contributor

Performance

What Kazuhiro Sera shipped in the selected window, measured in ETV, and how it compares with the 90 days before it.

Effective capacity

+87.6engineers

delivers like 88.6 (88.6x pre-AI)

Output (ETV)

462.6ETV

+544.7% vs 71.7 prior

Features share

17.5%

−1.0 pp vs prior window

Fixes share

22.5%

−12.7 pp vs prior window

Work mix

17.5% Features2.5% Maintenance46.9% Tests10.5% Docs22.5% Fixes

648 commits over 90 days, ending 2026-09-08.

Where this dev ranks

Percentile against the global top-100 leaderboard (all-time totals).

By total ETV
Top 0.1 %
By commits
Top 5 %
By Features share
Top 88 %

Daily performance

Daily ETV, stacked by Features, Maintenance, Tests, Docs and Fixes.

Repository spread

Where this developer's commits land. Concentrated work (top1 > 80%) vs polymath spread (top1 < 30%).

52.8 % of commits in openai-agents-python

Balanced
RepoCommitsETV
openai-agents-js291244.0
openai-agents-python326218.4

Most impactful commits

Top 10 by ETV in the last 90 days.