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Kazuhiro Sera

90d · built 2026-09-30

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

+94.4engineers

delivers like 95.4 (95.4x pre-AI)

Output (ETV)

498.0ETV

+643.3% vs 67.0 prior

Features share

17.4%

−0.5 pp vs prior window

Fixes share

21.3%

−9.3 pp vs prior window

Work mix

17.4% Features2.1% Maintenance48.2% Tests11% Docs21.3% Fixes

710 commits over 90 days, ending 2026-09-30.

Where this dev ranks

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

By total ETV
Top 0.1 %
By commits
Top 6 %
By Features share
Top 91 %

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%).

54.6 % of commits in openai-agents-python

Balanced
RepoCommitsETV
openai-agents-js309253.6
openai-agents-python371245.9

Most impactful commits

Top 10 by ETV in the last 90 days.