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Project benchmark

ARC-AGI-2 · Abstract reasoning

ARC Prize · 271 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-2 · 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 271 records with values. See details for configurations and dates.

Chart data · 8 entries
Name%
GPT-6 Astra (Max)95
GPT-6.1 Sol (Max)94.167
Claude Opus 5.5 (High)93.333
GPT-6 Astra (XHigh)93.333
Claude Opus 5.5 (XHigh)92.5
GPT-5.6 Sol (Max)92.5
GPT-6 Astra (High)92.083
GPT-6 Astra (Medium)92.083

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 271 records with values. See details for configurations and dates.

Chart data · 8 entries
NameUSD / Task
GPT-5 Nano (Minimal)0.003
GPT-5 Nano (Low)0.003
GPT-4.1-Nano0.004
GPT-6 Luna (None)0.004
DeepSeek V4 Flash 0731 (None)0.004
Gemini 2.0 Flash0.004
Qwen3-235b-a22b Instruct (25/07)0.004
GPT-6 Luna (Low)0.005

Human reference

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

Human Panel

Task score
100%
Cost per task
17 USD / Task

Full results & model versions

271 / 271configurations 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.

GPT-5.4 (Low)

Model reported by the benchmark

As reportedOrganization: OpenAI

gpt-5-4 · CoT

Release time reported by the benchmark:

Task score
29.17%
Cost per task
0.27 USD / Task

Gemini 3.6 Flash (Minimal)

Model reported by the benchmark

As reportedOrganization: Google

gemini-3-6-flash · CoT

Release time reported by the benchmark:

Task score
2.638888888888889%
Cost per task
0.070841 USD / Task

Gemini 3.5 Flash-Lite (Low)

Model reported by the benchmark

As reportedOrganization: Google

gemini-3-5-flash-lite · CoT

Release time reported by the benchmark:

Task score
1.5277777777777777%
Cost per task
0.017051 USD / Task

GPT-5.6 Luna 2026-07-30 (Medium)

Model reported by the benchmark

As reportedOrganization: OpenAI

openai-gpt-5-6-luna-2026-07-30 · CoT

Release time reported by the benchmark:

Task score
7.36111111111111%
Cost per task
0.022097 USD / Task

Grok 4.6 (XHigh)

Model reported by the benchmark

As reportedOrganization: xAI

xai-grok-4-6 · CoT

Release time reported by the benchmark:

Task score
67.08333333333333%
Cost per task
0.75749 USD / Task

Claude Fable 5.1 (High)

Model reported by the benchmark

As reportedOrganization: Anthropic

anthropic-claude-fable-5-1 · CoT

Release time reported by the benchmark:

Task score
88.75%
Cost per task
1.667306 USD / Task

GPT-5.4 (Medium)

Model reported by the benchmark

As reportedOrganization: OpenAI

gpt-5-4 · CoT

Release time reported by the benchmark:

Task score
55.42%
Cost per task
0.68 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
13.89%
Cost per task
0.48 USD / Task

Inkling Small (Minimal)

Model reported by the benchmark

As reportedOrganization: Thinking Machines

thinky-inkling-small · CoT

Release time reported by the benchmark:

Task score
4.027777777777777%
Cost per task
0.053034 USD / Task

DeepSeek V4.1 Flash (High)

Model reported by the benchmark

As reportedOrganization: DeepSeek

deepseek-v4-1-flash · CoT

Release time reported by the benchmark:

Task score
67.5%
Cost per task
0.133416 USD / Task

o3-Pro (Medium)

Model reported by the benchmark

As reportedOrganization: OpenAI

o3-pro · CoT + Synthesis

Release time reported by the benchmark:

Task score
1.94%
Cost per task
4.7441 USD / Task

o4-mini (High)

Model reported by the benchmark

As reportedOrganization: OpenAI

o4-mini · CoT

Release time reported by the benchmark:

Task score
6.11%
Cost per task
0.856 USD / Task

GPT-6 Luna (Max)

Model reported by the benchmark

As reportedOrganization: OpenAI

openai-gpt-6-luna · CoT

Release time reported by the benchmark:

Task score
59.30555555555556%
Cost per task
0.061811 USD / Task

GPT-5.2 (Medium)

Model reported by the benchmark

As reportedOrganization: OpenAI

gpt-5-2-2025-12-11-thinking · CoT

Release time reported by the benchmark:

Task score
26.67%
Cost per task
0.7594 USD / Task

GPT-6.1 Sol (Max)

Model reported by the benchmark

As reportedOrganization: OpenAI

openai-gpt-6-1-sol · CoT

Release time reported by the benchmark:

Task score
94.16666666666667%
Cost per task
0.25375 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
90%
Cost per task
4.492349 USD / Task

Claude Opus 4.8 (High)

Model reported by the benchmark

As reportedOrganization: Anthropic

anthropic-opus-4-8 · CoT

Release time reported by the benchmark:

Task score
72.08%
Cost per task
2.7425 USD / Task

GLM-5.3-Flash (High)

Model reported by the benchmark

As reportedOrganization: Z.ai

zai-glm-5-3-flash · CoT

Release time reported by the benchmark:

Task score
50.13888888888889%
Cost per task
0.077349 USD / Task

GPT-6.1 Sol (High)

Model reported by the benchmark

As reportedOrganization: OpenAI

openai-gpt-6-1-sol · CoT

Release time reported by the benchmark:

Task score
91.66666666666666%
Cost per task
0.134687 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
6.94%
Cost per task
0.2349 USD / Task