Humanity's Last Exam benchmark

461 AI models ranked on Humanity's Last Exam. 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

Claude Opus 5.5 (Anthropic) leads at 61%, from $4.00 per 1M input via Anthropic.

Data via arXiv:2501.14249 →

Models ranked

461

on this benchmark

Top score

61%

current leader

Type

Single eval

benchmark

Updated

Oct 14, 2026

benchmark scores

Cost vs Humanity's Last Exam

289 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 Humanity's Last Exam

highest score first · 461 models
Maker
#
1Claude Opus 5.5Anthropic61%
$4.00
via Anthropic
$20.00
via Databricks
2Claude Fable 5.1Anthropic59%
$10.00
via Anthropic
$50.00
via Anthropic
3Gemini 4 ArgonGoogle57%
$2.00
via Google
$10.00
via Google
4Claude Fable 5Anthropic55%
$10.00
via Anthropic
$50.00
via Anthropic
5Claude Sonnet 5.5Anthropic55%
$2.00
via Anthropic
$10.00
via Anthropic
6Claude Opus 5Anthropic55%
$5.00
via Anthropic
$25.00
via Anthropic
7GPT-6 AstraOpenAI55%
$10.00
via OpenAI
$50.00
via OpenAI
8Muse Wonder Full (Max)Meta54%
n/a
n/a
9GPT-6.1 SolOpenAI53%
$2.00
via OpenAI
$10.00
via OpenAI
10Muse WonderOther50%
$4.00
Routed quote
$20.00
Routed quote
11GPT-5.6 SolOpenAI49%
$2.00
Routed quote
$10.00
Routed quote
12MiMo-V2.6-ProXiaomi49%
$0.435
via Xiaomi Mimo
$0.87
via Xiaomi Mimo
13Muse Spark 1.3Other49%
$1.25
via Azure
$4.25
via Azure
14Claude Opus 4.8Anthropic49%
$5.00
via Anthropic
$25.00
via Anthropic
15GPT-6 SolOpenAI48%
$2.00
via OpenAI
$10.00
via OpenAI
16Gemini 3.7 FlashGoogle48%
$0.75
via Google
$3.75
via Google
17Gemini 3.8 FlashGoogle48%
$0.75
via Google
$3.75
via Google
18Gemini 3.1 Pro PreviewGoogle47%
$2.00
via Google
$12.00
via Google
19Kimi K3Moonshot47%
$0.70
Routed quote
$12.50
via Sail
20Step 5 PreviewStepfun46%
n/a
n/a
21Muse Spark 1.1Other46%
$1.25
via Meta
$4.25
via Meta
22GPT-5.5OpenAI46%
$5.00
via OpenAI
$30.00
via OpenAI
23Muse Spark 1.2Other45%
$1.25
via Meta
$4.25
via Meta
24Claude Haiku 5.5Anthropic44%
$0.10
via Anthropic
$0.50
via Anthropic
25GPT-5.4OpenAI44%
$2.50
via Databricks
$15.00
via OpenAI
26JT-4.1 Flash 236B A21BChina-mobile44%
n/a
n/a
27JT-4.1 Flash 236B A21BChina-mobile44%
n/a
n/a
28Grok 4.7xAI43%
$2.00
via xAI
$6.00
via xAI
29Qwen3.8 Max (0902)Alibaba43%
$2.00
Routed quote
$6.00
Routed quote
30Qwen3.8 MaxAlibaba43%
$1.65
via DeepInfra
$4.95
via DeepInfra
31Grok 4.6xAI43%
$2.00
via xAI
$6.00
via xAI
32GPT-5.6 TerraOpenAI43%
$2.00
via OpenAI
$12.00
via OpenAI
33Gemini 3.5 FlashGoogle43%
$1.50
via Google
$9.00
via Google
34Grok 4.5xAI43%
$2.00
via xAI
$6.00
via xAI
35GPT-5.3-CodexOpenAI42%
$1.75
via Aihubmix
$14.00
via Aihubmix
36Qwen3.8 2.4T A95BAlibaba42%
$2.00
via Aihubmix
$6.00
via Aihubmix
37Claude Opus 4.7Anthropic42%
$5.00
via Anthropic
$25.00
via Anthropic
38GLM 5.3Zhipu42%
$0.079
Routed quote
$3.08
via Sail
39Claude Sonnet 5Anthropic41%
$2.00
via Anthropic
$10.00
via Anthropic
40GLM 5.2Zhipu41%
$0.05
Routed quote
$1.98
via Scx AI
41DeepSeek V4 Pro 0813DeepSeek41%
$0.66
Routed quote
$1.98
Routed quote
42Gemini 3.6 FlashGoogle41%
$0.75
via Google
$3.75
via Google
43Muse SparkMeta41%
n/a
n/a
44Qwen3.7 MaxAlibaba41%
$1.25
via Novita
$3.75
via Novita
45Motif 3 (Beta) (0714)Motif-technologies40%
n/a
n/a
46Claude Opus 4.6Anthropic40%reasoning: adaptive
$5.00
via Anthropic
$25.00
via Anthropic
47GLM 5.3 FlashZhipu40%
$0.11
via Sail
$0.35
via Sail
48Gemini 3 ProGoogle40%
$2.00
via Replicate
$12.00
via Replicate
49GPT-5.6 LunaOpenAI39%
$0.20
via OpenAI
$1.20
via OpenAI
50Ling 3.1 FlashInclusionAI39%
n/a
n/a
1–50 of 470
Page 1 of 10
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 Humanity's Last Exam benchmark?

A frontier academic benchmark of 2,500 expert-written questions spanning mathematics, the humanities and the natural sciences, in multiple-choice and short-answer formats. Each question has an unambiguous, verifiable answer that cannot be found by quick internet retrieval, and models are scored on accuracy.

Which AI model scores highest on Humanity's Last Exam?

Claude Opus 5.5 (Anthropic) leads with 61%, from $4.00 per 1M input tokens from Anthropic.

How many models are ranked on Humanity's Last Exam?

461 models carry a Humanity's Last Exam 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 · 158 prices older, back to Jul 19, 2026

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