Anthropic Claude Sonnet 5.5 (max)61.8% tbench.ai for Claude Sonnet 5.5 (max) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 28, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Sonnet 5.5 on Terminal-Bench 4.0 — Claude Code 20016 Anthropic Claude Opus 5.5 (max)64.9% tbench.ai for Claude Opus 5.5 (max) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 22, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Opus 5.5 on Terminal-Bench 4.0 — Claude Code 20015 Anthropic Claude Fable 5.1 (xhigh)57.9% tbench.ai for Claude Fable 5.1 (xhigh) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 1, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Fable 5.1 on Terminal-Bench 4.0 — Claude Code 20004 Anthropic Claude Fable 5.1 (medium)53.9% tbench.ai for Claude Fable 5.1 (medium) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 1, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Fable 5.1 on Terminal-Bench 4.0 — Claude Code 20004 Anthropic Claude Fable 5.1 (high)54.6% tbench.ai for Claude Fable 5.1 (high) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 1, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Fable 5.1 on Terminal-Bench 4.0 — Claude Code 20004 Anthropic Claude Fable 5.1 (low)43.3% tbench.ai for Claude Fable 5.1 (low) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 1, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Fable 5.1 on Terminal-Bench 4.0 — Claude Code 20004 Anthropic Claude Fable 5.1 (max)57.9% tbench.ai for Claude Fable 5.1 (max) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 1, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Fable 5.1 on Terminal-Bench 4.0 — Claude Code 20004 Z.ai GLM-5.3-Flash (none)35.8% tbench.ai for GLM-5.3-Flash (none) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported August 26, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GLM-5.3-Flash on Terminal-Bench 4.0 — Claude Code 150006 Z.ai GLM-5.3 (max)41.8% tbench.ai for GLM-5.3 (max) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported August 14, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GLM-5.3 on Terminal-Bench 4.0 — Claude Code 150005 Anthropic Claude Opus 5 (low)34.9% tbench.ai for Claude Opus 5 (low) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported July 24, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Opus 5 on Terminal-Bench 4.0 — Claude Code 20014 Anthropic Claude Opus 5 (medium)44.9% tbench.ai for Claude Opus 5 (medium) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported July 24, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Opus 5 on Terminal-Bench 4.0 — Claude Code 20014 Anthropic Claude Opus 5 (max)51.8% tbench.ai for Claude Opus 5 (max) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported July 24, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Opus 5 on Terminal-Bench 4.0 — Claude Code 20014 Anthropic Claude Opus 5 (xhigh)53.9% tbench.ai for Claude Opus 5 (xhigh) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported July 24, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Opus 5 on Terminal-Bench 4.0 — Claude Code 20014 Anthropic Claude Opus 5 (high)50.3% tbench.ai for Claude Opus 5 (high) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported July 24, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Opus 5 on Terminal-Bench 4.0 — Claude Code 20014 Anthropic Claude Sonnet 5 (max)12.4% tbench.ai for Claude Sonnet 5 (max) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported June 30, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Sonnet 5 on Terminal-Bench 4.0 — Claude Code 20013 Anthropic Claude Fable 5 (max)44.6% tbench.ai for Claude Fable 5 (max) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported June 9, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Fable 5 on Terminal-Bench 4.0 — Claude Code 20012 Anthropic Claude Opus 4.8 (max)23.6% tbench.ai for Claude Opus 4.8 (max) on Terminal-Bench 4.0 — Claude Code (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported May 28, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for Claude Opus 4.8 on Terminal-Bench 4.0 — Claude Code 20011