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Benchmarks · agentic

Terminal-Bench 4.0

Resolution rate of agent+model systems on 66 professional computer-work tasks in a terminal (5 trials per task, 8-hour timeout). Rows are harness+model pairs.

23 models · 35 results · data as of 2026-10-29 · tbench.ai ↗

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Opus 5.5 max

Score vs subscription cost per task

Terminal-Bench 4.0 · measured cost per task · subscription-priced where plan data exists (Real API Pricing, full allowance used)

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More from this benchmark

2 published measures
Time per task35 results · lower is better

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Output tokens per task35 results · lower is better

All results

35 rows
#ModelEffortTerminal-Bench 4.0Subscription $ / taskAPI $ / taskTimeOutput tokensHarness
1Opus 5.5max64.8% ±3.1$0.22$141.3 h269kClaude Code
2Sonnet 5.5max61.8% ±2.9$0.34$222.1 h565kClaude Code
3GPT-6 Astramax58.2% ±2.8$0.85$9.9047 min73kCodex
4GPT-6.1 Solmax58.2% ±3.1$0.22$1.9253 min95kCodex
5Fable 5.1max57.9% ±3.8$2.95$191.1 h191kClaude Code
6Fable 5.1xhigh57.9% ±3.4$2.30$1553 min153kClaude Code
7GPT-6 Astrahigh57.9% ±3.0$0.59$6.8835 min42kCodex
8GPT-6 Astraxhigh57.9% ±2.7$0.61$7.1237 min45kCodex
9Fable 5.1high54.5% ±3.4$1.88$1250 min113kClaude Code
10GPT-6 Astramedium54.2% ±2.7$0.50$5.8031 min33kCodex
11Fable 5.1medium53.9% ±3.4$1.34$8.5842 min79kClaude Code
12Opus 5xhigh53.9% ±3.2$0.32$181.3 h179kClaude Code
13Opus 5max51.8% ±3.4$0.31$181.3 h200kClaude Code
14GPT-6 Astralow50.6% ±2.8$0.40$4.7228 min24kCodex
15Opus 5high50.3% ±3.7$0.24$141.1 h144kClaude Code
16GPT-6 Solmax49.4% ±3.2$0.27$4.4044 min93kCodex
17Opus 5medium44.9% ±3.8$0.17$9.6755 min101kClaude Code
18Fable 5max44.5% ±3.9$2.48$221.2 h178kClaude Code
19Fable 5.1low43.3% ±3.6$1.11$7.1538 min60kClaude Code
20GLM 5.3max41.8% ±3.2$0.86$8.271.6 h208kClaude Code
21Grok 4.7xhigh37.6% ±3.5$1.04$111.6 h70kGrok Build
22GPT-5.6 Solmax37.3% ±3.8$0.43$7.7040 min71kCodex
23GLM 5.3 Flashnone35.8% ±3.5free$0.361.7 h135kClaude Code
24Opus 5low34.9% ±3.9$0.13$7.2549 min72kClaude Code
25Qwen 3.8 Maxmax27.0% ±3.8$14$142.8 h253kClaude Code
26Opus 4.8max23.6% ±3.6$0.34$201.4 h269kClaude Code
27GPT-5.6 Terramax21.5% ±3.3$0.29$5.2542 min101kCodex
28Grok 4.6high20.3% ±3.1$1.12$1139 min99kGrok Build
29Gemini 3.8 Flashhigh19.1% ±3.4$0.22$5.5433 min206kmini-SWE-agent
30GPT-5.6 Lunamax17.3% ±2.9$0.098$1.051.1 h186kCodex