TerminalBench Hard benchmark

302 AI models ranked on TerminalBench Hard. Each row shows the model’s score next to its cheapest API price per 1M tokens where it has one, so you can weigh quality against cost.

Top model today

GPT-5.6 Sol (OpenAI) leads at 66%, from $5.00 per 1M input.

Data via GitHub: laude-institute/terminal-bench

Models ranked

302

on this benchmark

Top score

66%

current leader

Type

Single eval

benchmark

Updated

15 July 2026

last source fetch

Cost vs TerminalBench Hard

159 priced models
Most attractive quadrant (cheap + high)
= reasoning model (extended thinking)

Each labelled name links to that model’s page. Curated to the cost-efficiency frontier, top scorers and cheapest so labels stay readable; the full field is in the leaderboard table below (and via “select all”). Reasoning models (extended “thinking” before answering) carry a ring around the dot.

Models ranked on TerminalBench Hard

highest score first · 302 models
Maker
#
1GPT-5.6 SolOpenAI66%$5.00$30.00
2Claude Fable 5Anthropic63%$10.00$50.00
3GPT-5.6 TerraOpenAI63%xhigh$2.50$15.00
4GPT-5.5OpenAI61%$5.00$30.00
5Claude Opus 4.8Anthropic58%$5.00$25.00
6GPT-5.4OpenAI58%$2.50$15.00
7Claude Opus 4.7Anthropic55%reasoning: false$5.00$25.00
8Gemini 3.1 Pro PreviewGoogle54%$2.00$12.00
9Claude Sonnet 4.6Anthropic53%reasoning: adaptive$3.00$15.00
10GPT-5.3 CodexOpenAI53%n/an/a
11GPT-5.4 MiniOpenAI52%$0.75$4.50
12GLM 5.2Zhipu51%$1.40$4.40
13Qwen3.7 MaxAlibaba51%n/an/a
14KAT-Coder-Pro V2Other49%$0.30$1.20
15Claude Opus 4.6Anthropic48%$5.00$25.00
16Claude Opus 4.5Anthropic47%reasoning: true$5.00$25.00
17GPT-5.2OpenAI47%$1.75$14.00
18Qwen3.7 PlusAlibaba47%n/an/a
19DeepSeek V4 ProDeepSeek46%$0.43$0.87
20Gemini 3.5 FlashGoogle46%minimal$1.50$9.00
21GPT-5.1OpenAI45%$1.25$10.00
22Muse SparkMeta45%n/an/a
23Kimi K2.7 CodeMoonshot45%$0.95$4.00
24Qwen3.6 PlusAlibaba44%$0.33$1.95
25Kimi K2.6Moonshot44%n/an/a
26Qwen3.6 Max PreviewAlibaba44%n/an/a
27GLM 5Zhipu43%$0.80$2.56
28GLM 5.1Zhipu43%$1.05$3.50
29MiMo-V2.5-ProXiaomi43%$1.00$3.00
30GPT-5.4 NanoOpenAI42%$0.20$1.25
31MiniMax M3MiniMax42%$0.30$1.20
32GPT-5.5 Instant (May 2026)OpenAI42%n/an/a
33Gemini 3 ProGoogle42%$2.00$12.00
34MiMo-V2.5Xiaomi42%n/an/a
35Qwen3.5 397B A17BAlibaba41%$0.60$3.60
36Grok 4.20 0309Spacexai41%n/an/a
37MiMo-V2-ProXiaomi41%n/an/a
38MiniMax M2.7MiniMax39%$0.26$0.55
39DeepSeek V4 FlashDeepSeek39%highn/an/a
40Gemini 3 FlashGoogle39%reasoning: truen/an/a
41GPT-5OpenAI38%medium$1.25$10.00
42Grok 4xAI38%$3.00$15.00
43GPT-5 CodexOpenAI38%$1.25$10.00
44Grok 4.3xAI38%$1.25$2.50
45Grok 4.20 0309 v2Spacexai38%n/an/a
46o3OpenAI37%$2.00$8.00
47GPT-5.2-CodexOpenAI37%$1.75$14.00
48Nemotron 3 UltraNVIDIA36%n/an/a
49Gemma 4 31BGoogle36%$0.14$0.40
50DeepSeek V3.2DeepSeek36%reasoning: true$0.27$0.40
150 of 302
Page 1 of 7
Prices are on-demand list rates. Enterprise commitments can be materially lower. Cost per task uses best-effort token usage.

Frequently asked questions

What is the TerminalBench Hard benchmark?

The hardest subset of the Terminal-Bench agentic benchmark, made up of the tasks frontier models complete least often across software engineering, sysadmin, data processing, ML and security. An agent is given an English task and a sandboxed container terminal, and is scored by the pass rate of automated verification tests.

Which AI model scores highest on TerminalBench Hard?

GPT-5.6 Sol (OpenAI) leads with 66%, from $5.00 per 1M input tokens.

How many models are ranked on TerminalBench Hard?

302 models carry a TerminalBench Hard score. Scores come from Artificial Analysis; where a model has a live API price it is verified against LiteLLM and OpenRouter, and models with no current price are listed without one.

Other benchmarks

compare the same models on a different eval
Benchmark scores via Artificial Analysis · pricing verified against LiteLLM + OpenRouter · refreshed daily · updated 15 July 2026

Every weekday

AI moves fast. Here's your debrief.

News, analysis, tools, and more.

For people who build with AI