Terminal-Bench 4.0 Leaderboard 2026: AI Models & Agents Ranked by Real CLI Work
Terminal-Bench 4.0: the tbench.ai public board remains led by Claude Opus 5.5 (64.8%). Adds Kimi K3.1 Pro (65.7%, Moonshot), Gemini 4 Carbon (64%, Artificial Analysis), GPT-6.1 Terra (50.3%) and MiniMax M3.1 Flash (38.1%) as separately labeled runs. Updated Oct 30, 2026.
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· Abdeladim Fadheli