Terminal-Bench 2.1 Leaderboard 2026: AI Models Ranked by CLI Coding
Terminal-Bench 2.1: DeepSeek V4.1 Flash remains the public-board leader at 90.6%. Adds separate Vals AI snapshot runs: Opus 5.5 87.6% and Sonnet 5.5 83.1%, plus Cognition's unranked SWE-2 provider score.
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· Abdeladim Fadheli