The leaderboard runs nine harnesses on three open-weight models (GLM-5.3-Flash, DeepSeek-V4.1-Flash and Flint) across Terminal-Bench 2.1 and DeepSWE v1.1. Each harness gets the same model, provider and reasoning effort, three attempts per…
In the News: November 8, 2026 (Extra 3)
A public leaderboard finds five coding-agent harnesses statistically tied on open models, with a 24-point gap between best and worst.
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