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Intelligence Index benchmark

486 AI models ranked on Intelligence Index. 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 57.6, from $4.00 per 1M input via Anthropic.

Data via Artificial Analysis methodology →

Models ranked

486

on this benchmark

Top score

57.6

current leader

Type

Composite

index

Updated

Oct 14, 2026

benchmark scores

Cost vs Intelligence Index

299 priced models
Most attractive quadrant (cheap + high)
= reasoning model (extended thinking)
01224364860$0.01$0.03$0.1$0.3$1$3$10$30$100COST / 1M INPUT TOKENS (log) →INTELLIGENCE INDEX SCORE ↑Claude Opus 5.5Claude Sonnet 5.5Claude Fable 5.1GPT-6 AstraGemini 4 ArgonMuse WonderGPT-6.1 SolClaude Opus 5Muse Spark 1.3MiMo-V2.6-ProGLM 5.3DeepSeek V4.1 Flashgpt-oss-20bQwen2.5 Coder 7B Instruct

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 Intelligence Index

highest score first · 486 models
Maker
#
1Claude Opus 5.5Anthropic57.6
$4.00
via Anthropic
$20.00
via Databricks
2Claude Sonnet 5.5Anthropic56.0
$2.00
via Anthropic
$10.00
via Anthropic
3Muse Wonder Full (Max)Meta55.8
n/a
n/a
4Claude Fable 5.1Anthropic53.4
$10.00
via Anthropic
$50.00
via Anthropic
5GPT-6 AstraOpenAI52.7
$10.00
via OpenAI
$50.00
via OpenAI
6Gemini 4 ArgonGoogle52.6
$2.00
via Google
$10.00
via Google
7Muse WonderOther52.4
$4.00
Routed quote
$20.00
Routed quote
8GPT-6.1 SolOpenAI51.8
$2.00
via OpenAI
$10.00
via OpenAI
9Claude Opus 5Anthropic50.8
$5.00
via Anthropic
$25.00
via Anthropic
10Claude Fable 5Anthropic49.6
$10.00
via Anthropic
$50.00
via Anthropic
11Muse Spark 1.3Other48.1
$1.25
via Azure
$4.25
via Azure
12GPT-6 SolOpenAI47.6
$2.00
via OpenAI
$10.00
via OpenAI
13GPT-5.6 SolOpenAI47.0
$2.00
Routed quote
$10.00
Routed quote
14Grok 4.7xAI46.4
$2.00
via xAI
$6.00
via xAI
15MiMo-V2.6-ProXiaomi46.3
$0.435
via Xiaomi Mimo
$0.87
via Xiaomi Mimo
16Qwen3.8 Max (0902)Alibaba45.4
$2.00
Routed quote
$6.00
Routed quote
17GLM 5.3Zhipu44.8
$0.079
Routed quote
$3.08
via Sail
18Grok 4.6xAI44.3
$2.00
via xAI
$6.00
via xAI
19Step 5 PreviewStepfun43.7
n/a
n/a
20Kimi K3Moonshot43.6
$0.70
Routed quote
$12.50
via Sail
21Claude Haiku 5.5Anthropic43.4
$0.10
via Anthropic
$0.50
via Anthropic
22GPT-5.6 TerraOpenAI42.1
$2.00
via OpenAI
$12.00
via OpenAI
23GLM 5.3 FlashZhipu41.8
$0.11
via Sail
$0.35
via Sail
24Claude Opus 4.8Anthropic41.8
$5.00
via Anthropic
$25.00
via Anthropic
25Ling 3.1 FlashInclusionAI41.1
n/a
n/a
26Gemini 3.8 FlashGoogle40.9
$0.75
via Google
$3.75
via Google
27Claude Opus 4.7Anthropic40.7
$5.00
via Anthropic
$25.00
via Anthropic
28Qwen3.8 MaxAlibaba40.2
$1.65
via DeepInfra
$4.95
via DeepInfra
29Qwen3.8 2.4T A95BAlibaba39.9
$2.00
via Aihubmix
$6.00
via Aihubmix
30Qwen3.8-Flash-NextAlibaba39.8
n/a
n/a
31Muse Spark 1.2Other39.6
$1.25
via Meta
$4.25
via Meta
32DeepSeek V4.1 FlashDeepSeek39.5
$0.01
via Coralbricks
$0.60
via Sail
33Gemini 3.7 FlashGoogle39.1
$0.75
via Google
$3.75
via Google
34GPT-5.4OpenAI39.0
$2.50
via Databricks
$15.00
via OpenAI
35Grok 4.5xAI38.8
$2.00
via xAI
$6.00
via xAI
36Mistral Large 4Mistral38.4
$0.68
via Mistral
$2.09
via Mistral
37GPT-5.5OpenAI38.4
$5.00
via OpenAI
$30.00
via OpenAI
38Claude Sonnet 5Anthropic38.2
$2.00
via Anthropic
$10.00
via Anthropic
39GPT-6 LunaOpenAI38.1
$0.10
via OpenAI
$0.50
via OpenAI
40MiMo-V2.6-FlashXiaomi37.9
$0.14
via Xiaomi Mimo
$0.28
via Xiaomi Mimo
41GPT-5.6 LunaOpenAI37.3
$0.20
via OpenAI
$1.20
via OpenAI
42DeepSeek V4 Pro 0813DeepSeek36.0
$0.66
Routed quote
$1.98
Routed quote
43Agnes 2.5 Pro BetaSapiens-ai35.2
n/a
n/a
44DeepSeek V4 Flash Vision (Reasoning, Max Effort)DeepSeek34.8
n/a
n/a
45DeepSeek V4 Flash 0731DeepSeek34.3
$0.016
Routed quote
$0.153
Routed quote
46Gemini 3.6 FlashGoogle34.0
$0.75
via Google
$3.75
via Google
47JT-4.1 Flash 236B A21BChina-mobile33.9
n/a
n/a
48JT-4.1 Flash 236B A21BChina-mobile33.9
n/a
n/a
49Muse Spark 1.1Other33.7
$1.25
via Meta
$4.25
via Meta
50GLM 5.2Zhipu33.7
$0.05
Routed quote
$1.98
via Scx AI
1–50 of 494
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 Intelligence Index benchmark?

Artificial Analysis's headline composite score (0 to 100) that combines many independent evaluations across reasoning, knowledge, science, coding and agentic tasks into a single number, each run independently by Artificial Analysis. The exact component evals and their weights are versioned by Artificial Analysis; see their methodology for the current makeup.

Which AI model scores highest on Intelligence Index?

Claude Opus 5.5 (Anthropic) leads with 57.6, from $4.00 per 1M input tokens from Anthropic.

How many models are ranked on Intelligence Index?

486 models carry an Intelligence Index 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.

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Benchmark scores via Artificial Analysis · scores updated Oct 14, 2026 · Listed prices from LiteLLM, OpenRouter and Vercel · catalogue refreshed Oct 14, 2026 · 160 prices older, back to Jul 19, 2026

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