Project benchmark

ARC-AGI-1 · Abstract reasoning

ARC Prize · 269 configurations with published scores. Review each metric and its test conditions separately.

Report identity & conditions

Data as of2026-10-19· Report published—. See individual records for run dates and test conditions.

Leaderboard updated

  • Run configurations remain separate, including different reasoning settings.
  • Individual test dates are not given. Update dates and model release dates from the report remain separate and do not substitute for actual test dates.
  • Costs follow the report’s run scope and dollar amounts; they are not model API unit prices.
  • ARC-AGI-1 · Semi-private evaluation set. Benchmark versions are compared separately.
  • Task score on the semi-private evaluation set, as a percentage. It is not ranked across benchmark versions or evaluation scopes.
  • Cost per task as reported, in USD/task. Total costs and task counts are not invented. This is neither cost per successful task nor a current API quote.
  • Human reference results are shown separately and excluded from model/system rankings and cost comparisons.
Read the original report ↗

Compare metrics within the same report. Each chart explains its direction and scope.
See the details for full values and run conditions.

Task score

Task score on the semi-private evaluation set, as a percentage. It is not ranked across benchmark versions or evaluation scopes.: showing 8 of 269 records with values. See details for configurations and dates.

Chart data · 8 entries
Name%
Claude Fable 5 (Max)98.5
Claude Fable 5 (XHigh)98.5
Claude Opus 5.5 (High)98.5
Gemini 3.8 Flash (High)98.5
Gemini 4 Argon (High)98.5
Gemini 4 Argon (Medium)98.5
GPT-6 Astra (High)98.5
GPT-6 Astra (XHigh)98.5

Cost per task

Cost per task as reported, in USD/task. Total costs and task counts are not invented. This is neither cost per successful task nor a current API quote.: showing 8 of 269 records with values. See details for configurations and dates.

Chart data · 8 entries
NameUSD / Task
GPT-5 Nano (Minimal)0.002
GPT-4.1-Nano0.002
GPT-6 Luna (None)0.002
DeepSeek V4 Flash 0731 (None)0.002
Qwen3-235b-a22b Instruct (25/07)0.003
GPT-6 Luna (Low)0.003
GPT-5 Nano (Low)0.003
Llama 4 Scout0.004

Human reference

Human baselines are shown separately and are not ranked alongside models and systems.

Stem Grad

Task score
98%
Cost per task
10 USD / Task

Human Panel

Task score
98%
Cost per task
17 USD / Task

Full results & model versions

269 / 269configurations have published scores in this scope. Scored configurations are listed; missing values remain “Not provided.” Different run configurations of the same model are listed separately.

Grok 4 (Fast Reasoning)

Model reported by the benchmark

As reportedOrganization: xAI

grok-4-0709 · CoT

Release time reported by the benchmark:

Task score
48.5%
Cost per task
0.0307 USD / Task

Claude Sonnet 4.5 (Thinking 8K)

Model reported by the benchmark

As reportedOrganization: Anthropic

claude-sonnet-4-5-20250929 · CoT

Release time reported by the benchmark:

Task score
46.5%
Cost per task
0.1776 USD / Task

Grok 4.5 (High)

Model reported by the benchmark

As reportedOrganization: xAI

xai-grok-4-5 · CoT

Release time reported by the benchmark:

Task score
85.67%
Cost per task
0.33 USD / Task

GPT-5 Nano (High)

Model reported by the benchmark

As reportedOrganization: OpenAI

gpt-5-nano-reasoning · CoT

Release time reported by the benchmark:

Task score
16.67%
Cost per task
0.0292 USD / Task

Gemini 2.5 Pro (Thinking 8K)

Model reported by the benchmark

As reportedOrganization: Google

gemini-2-5-pro-2025-06-17-thinking · CoT

Release time reported by the benchmark:

Task score
29.5%
Cost per task
0.2947 USD / Task

Opus 4.5 (Thinking, 8K)

Model reported by the benchmark

As reportedOrganization: Anthropic

opus-4-5-thinking · CoT

Release time reported by the benchmark:

Task score
58.67%
Cost per task
0.38 USD / Task

DeepSeek V4 Flash 0731 (Low)

Model reported by the benchmark

As reportedOrganization: DeepSeek

deepseek-v4-flash-0731 · CoT

Release time reported by the benchmark:

Task score
84%
Cost per task
0.011788 USD / Task

Claude Fable 5.1 (Max)

Model reported by the benchmark

As reportedOrganization: Anthropic

anthropic-claude-fable-5-1 · CoT

Release time reported by the benchmark:

Task score
97.5%
Cost per task
1.399761 USD / Task

GPT-5.5 Pro (XHigh)

Model reported by the benchmark

As reportedOrganization: OpenAI

gpt-5-5-pro-2026-04-23-thinking · CoT

Release time reported by the benchmark:

Task score
95%
Cost per task
4.52 USD / Task