Terminal-Bench 4.0: GLM-5.3 Surpasses GPT-5.6 in New Ranking
eyishazyer · x · 2026-08-29
The new Terminal-Bench 4.0 leaderboard delivered surprising results, with scores dropping across the board due to increased difficulty, moving away from the clustering seen in previous versions.
- Claude Opus 5: Tops the list with 51.8% accuracy, barely solving half the tasks, a significant drop from near 90% on the old version.
- GLM-5.3: Ranked third, surprisingly ahead of OpenAI's flagship agent model GPT-5.6 Sol.
This shift indicates that harder benchmarks provide better differentiation of actual model capabilities.
Related event: Terminal-Bench 4.0 Released: Opus 5 Leads, GLM 5.3 Top Open-Source Model(14 posts)→
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