OpenAI GPT-6.1 Sol (max)58.2% tbench.ai for GPT-6.1 Sol (max) on Terminal-Bench 4.0 — Codex (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 29, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GPT-6.1 Sol on Terminal-Bench 4.0 — Codex 10015 OpenAI GPT-6 Luna (max)16.4% tbench.ai for GPT-6 Luna (max) on Terminal-Bench 4.0 — Codex (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 GPT-6 Luna on Terminal-Bench 4.0 — Codex 10013 OpenAI GPT-6 Sol (max)49.4% tbench.ai for GPT-6 Sol (max) on Terminal-Bench 4.0 — Codex (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 GPT-6 Sol on Terminal-Bench 4.0 — Codex 10014 OpenAI GPT-6 Astra (max)58.2% tbench.ai for GPT-6 Astra (max) on Terminal-Bench 4.0 — Codex (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 3, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GPT-6 Astra on Terminal-Bench 4.0 — Codex 10005 OpenAI GPT-6 Astra (xhigh)57.9% tbench.ai for GPT-6 Astra (xhigh) on Terminal-Bench 4.0 — Codex (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 3, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GPT-6 Astra on Terminal-Bench 4.0 — Codex 10005 OpenAI GPT-6 Astra (medium)54.2% tbench.ai for GPT-6 Astra (medium) on Terminal-Bench 4.0 — Codex (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 3, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GPT-6 Astra on Terminal-Bench 4.0 — Codex 10005 OpenAI GPT-6 Astra (high)57.9% tbench.ai for GPT-6 Astra (high) on Terminal-Bench 4.0 — Codex (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 3, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GPT-6 Astra on Terminal-Bench 4.0 — Codex 10005 OpenAI GPT-6 Astra (low)50.6% tbench.ai for GPT-6 Astra (low) on Terminal-Bench 4.0 — Codex (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported September 3, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GPT-6 Astra on Terminal-Bench 4.0 — Codex 10005 OpenAI GPT-5.6 Luna (max)17.3% tbench.ai for GPT-5.6 Luna (max) on Terminal-Bench 4.0 — Codex (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported June 26, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GPT-5.6 Luna on Terminal-Bench 4.0 — Codex 10009 OpenAI GPT-5.6 Sol (max)37.3% tbench.ai for GPT-5.6 Sol (max) on Terminal-Bench 4.0 — Codex (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported June 26, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GPT-5.6 Sol on Terminal-Bench 4.0 — Codex 10010 OpenAI GPT-5.6 Terra (max)21.5% tbench.ai for GPT-5.6 Terra (max) on Terminal-Bench 4.0 — Codex (opens in a new tab) Archived copy (opens in a new tab) Terminal-Bench Accuracy Reported June 26, 2026 Benchmark leaderboard Terminal-Bench Independent Terminal-Bench Team Record for GPT-5.6 Terra on Terminal-Bench 4.0 — Codex 10011