Harness leaderboard shows OpenCode lagging; author suggests Pi as faster alternative

mariofilhoml · x · 2026-11-08

Based on joelniklaus's harness-leaderboard, the author ran runebench with the Hy4 model using Pi instead of OpenCode. The leaderboard shows OpenCode v1.19.0 at 35%, well behind mini-swe-agent (51%), Kimi Code (50%), Claude Code (49%), and Hermes Agent (50%). His suggestion: for models without an official harness, swap OpenCode for Pi or another option.

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