TerminalBench Hard benchmark

309 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 $2.00 per 1M input OpenRouter routed quote.

Data via GitHub: laude-institute/terminal-bench →

Models ranked

309

on this benchmark

Top score

66%

current leader

Type

Single eval

benchmark

Updated

Oct 14, 2026

benchmark scores

Cost vs TerminalBench Hard

198 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 · 309 models
Maker
#
1GPT-5.6 SolOpenAI66%
$2.00
Routed quote
$10.00
Routed quote
2Claude Fable 5Anthropic63%
$10.00
via Anthropic
$50.00
via Anthropic
3GPT-5.6 TerraOpenAI63%xhigh
$2.00
via OpenAI
$12.00
via OpenAI
4GPT-5.5OpenAI61%
$5.00
via OpenAI
$30.00
via OpenAI
5Claude Opus 4.8Anthropic58%
$5.00
via Anthropic
$25.00
via Anthropic
6GPT-5.4OpenAI58%
$2.50
via Databricks
$15.00
via OpenAI
7Claude Opus 4.7Anthropic55%reasoning: false
$5.00
via Anthropic
$25.00
via Anthropic
8Gemini 3.1 Pro PreviewGoogle54%
$2.00
via Google
$12.00
via Google
9Claude Sonnet 4.6Anthropic53%reasoning: adaptive
$3.00
via Databricks
$15.00
via Anthropic
10GPT-5.3-CodexOpenAI53%
$1.75
via Aihubmix
$14.00
via Aihubmix
11GPT-5.4 MiniOpenAI52%
$0.75
via Databricks
$4.50
via OpenAI
12GLM 5.2Zhipu51%
$0.05
Routed quote
$1.98
via Scx AI
13Qwen3.7 MaxAlibaba51%
$1.25
via Novita
$3.75
via Novita
14KAT-Coder-Pro V2Other49%
$0.30
Routed quote
$1.20
Routed quote
15Claude Opus 4.6Anthropic48%
$5.00
via Anthropic
$25.00
via Anthropic
16Claude Opus 4.5Anthropic47%reasoning: true
$5.00
via Anthropic
$25.00
via Anthropic
17GPT-5.2OpenAI47%
$1.75
via OpenAI
$14.00
via OpenAI
18Qwen3.7 PlusAlibaba47%
$0.282
via Aihubmix
$1.13
via Aihubmix
19DeepSeek V4 Pro 0423DeepSeek46%
$0.435
via Tencent
$0.87
via Tencent
20Gemini 3.5 FlashGoogle46%minimal
$1.50
via Google
$9.00
via Google
21GPT-5.1OpenAI45%
$1.25
via Databricks
$10.00
via Databricks
22Muse SparkMeta45%
n/a
n/a
23Kimi K2.7 CodeMoonshot45%
$0.671
Routed quote
$3.35
Routed quote
24Kimi K2.6Moonshot44%
$0.65
via Wandb
$3.40
via Novita
25Qwen3.6 PlusAlibaba44%
$0.325
Routed quote
$1.95
Routed quote
26Qwen3.6 Max PreviewAlibaba44%
n/a
n/a
27GLM 5.1Zhipu43%
$1.05
via DeepInfra
$3.50
via DeepInfra
28GLM 5Zhipu43%
$0.60
via DeepInfra
$1.92
Routed quote
29MiMo-V2.5-ProXiaomi43%
$0.435
Routed quote
$0.87
Routed quote
30GPT 5.4 LowOpenAI43%
$2.50
via Aihubmix
$15.00
via Aihubmix
31MiniMax M3MiniMax42%
$0.23
via Wandb
$0.96
via Wandb
32GPT-5.4 NanoOpenAI42%
$0.20
via Databricks
$1.25
via Databricks
33GPT-5.5 Instant (May 2026)OpenAI42%
n/a
n/a
34MiMo-V2.5Xiaomi42%
$0.14
Routed quote
$0.28
Routed quote
35Gemini 3 ProGoogle42%
$2.00
via Replicate
$12.00
via Replicate
36Qwen3.5 397B A17BAlibaba41%
$0.164
via Aihubmix
$0.986
via Aihubmix
37Mimo V2 ProXiaomi41%
$1.10
via Aihubmix
$3.30
via Aihubmix
38Grok 4 20 0309xAI41%
$1.25
via xAI
$2.50
via xAI
39MiniMax M2.7MiniMax39%
$0.25
via DeepInfra
$0.55
via Pinstripes
40DeepSeek V4 Flash 0423DeepSeek39%high
$0.09
via DeepInfra
$0.18
via DeepInfra
41Gemini 3 FlashGoogle39%reasoning: true
$0.50
Routed quote
$3.00
Routed quote
42GPT-5OpenAI38%medium
$1.25
via Databricks
$10.00
via Databricks
43Grok 4xAI38%
$1.25
via xAI
$2.50
via xAI
44Grok 4.3xAI38%
$1.25
via xAI
$2.50
via xAI
45GPT 5 CodexOpenAI38%
$1.25
Routed quote
$10.00
Routed quote
46Grok 4.20xAI38%
$1.25
via xAI
$2.50
via xAI
47GPT-5.2-CodexOpenAI37%
$1.75
via Databricks
$14.00
via Databricks
48o3OpenAI37%
$2.00
via OpenAI
$8.00
via OpenAI
49Nvidia Nemotron 3 Ultra 550B A55bNVIDIA36%
$0.50
via DeepInfra
$2.15
via Wandb
50Gemma 4 31BGoogle36%
$0.14
via Amazon Bedrock
$0.40
via Amazon Bedrock
1–50 of 310
Page 1 of 7
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. Cost per task uses best-effort token usage. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.

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 $2.00 per 1M input tokens as an OpenRouter routed quote, while OpenAI lists it at $4.00 per 1M input.

How many models are ranked on TerminalBench Hard?

309 models carry a TerminalBench Hard score. Scores come from Artificial Analysis; where a model has a listed API price it is drawn from 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 · scores updated Oct 14, 2026 · Listed prices from LiteLLM, OpenRouter and Vercel · catalogue refreshed Oct 14, 2026 · 123 prices older, back to Jul 19, 2026

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