YC President Garry Tan open-sources g-harness-evals to publicly benchmark frontier models across harnesses
garrytan · x · 2026-11-09
Garry Tan, President of Y Combinator, is publicly running open-source eval work on harnesses with frontier models via his new GitHub repo g-harness-evals, sharing preliminary results as they come in.
- The MIT-licensed repo includes directories for harnesses, tasks, findings, runner, and gbrain, with 233 commits so far
- It ships AGENTS.md / CLAUDE.md configs, suggesting agent-assisted development of the eval infrastructure
- Findings will be updated in public as the eval work continues
Related event: YC President Garry Tan Open-Sources Benchmarks of 7 Coding Agent Frameworks(2 posts)→
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