All benchmarks

Terminal-Bench 2.1

Agentic terminal coding

Terminal-Bench evaluates models on real-world tasks in a terminal and command-line environment — installing dependencies, debugging, running builds and orchestrating tools — where each step depends on the result of the last.

Model scores

  • Fable 588.0%
  • Opus 4.882.7%
  • Sonnet 580.4%
  • GPT-5.6 Sol88.8% (max) / 91.9% (ultra)
  • GPT-5.583.4%
  • Composer 2.5
  • Opus 4.766.1%
  • Gemini 3.1 Pro70.3%
  • Mythos Preview82.0%

Official source: Terminal-Bench (tbench.ai)

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