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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-4o

Model reported by the benchmark

As reportedOrganization: OpenAI

Base LLM

Release time reported by the benchmark:

Task score
0%
Cost per task
0.08 USD / Task

GPT-5 (High)

Model reported by the benchmark

As reportedOrganization: OpenAI

gpt-5-reasoning · CoT

Release time reported by the benchmark:

Task score
9.86%
Cost per task
0.7302 USD / Task

GPT-6 Sol (None)

Model reported by the benchmark

As reportedOrganization: OpenAI

openai-gpt-6-sol · CoT

Release time reported by the benchmark:

Task score
1.6666666666666665%
Cost per task
0.074064 USD / Task

GPT-5.6 Sol (Medium)

Model reported by the benchmark

As reportedOrganization: OpenAI

openai-gpt-5-6-sol · CoT

Release time reported by the benchmark:

Task score
67.08%
Cost per task
0.47 USD / Task

Claude Opus 5.5 (High)

Model reported by the benchmark

As reportedOrganization: Anthropic

anthropic-claude-opus-5-5 · CoT

Release time reported by the benchmark:

Task score
93.33333333333333%
Cost per task
0.407896 USD / Task

Inkling

Model reported by the benchmark

As reportedOrganization: Thinking Machines

CoT

Release time reported by the benchmark:

Task score
36.52777777777778%
Cost per task
0.642077 USD / Task

Gemini 3.6 Flash (High)

Model reported by the benchmark

As reportedOrganization: Google

gemini-3-6-flash · CoT

Release time reported by the benchmark:

Task score
60.41666666666666%
Cost per task
0.60608 USD / Task

Claude Haiku 5.5 (High)

Model reported by the benchmark

As reportedOrganization: Anthropic

anthropic-claude-haiku-5-5 · CoT

Release time reported by the benchmark:

Task score
30.69444444444444%
Cost per task
0.046678 USD / Task

Opus 4.5 (Thinking, 64K)

Model reported by the benchmark

As reportedOrganization: Anthropic

opus-4-5-thinking · CoT

Release time reported by the benchmark:

Task score
37.64%
Cost per task
2.4 USD / Task

Gemini 3.7 Flash (Medium)

Model reported by the benchmark

As reportedOrganization: Google

google-gemini-3-7-flash · CoT

Release time reported by the benchmark:

Task score
63.75%
Cost per task
0.115828 USD / Task

GPT-6.1 Sol (Medium)

Model reported by the benchmark

As reportedOrganization: OpenAI

openai-gpt-6-1-sol · CoT

Release time reported by the benchmark:

Task score
86.66666666666667%
Cost per task
0.100377 USD / Task

o3 (Low)

Model reported by the benchmark

As reportedOrganization: OpenAI

o3 · CoT

Release time reported by the benchmark:

Task score
1.99%
Cost per task
0.2343 USD / Task

Claude Opus 4.8 (Medium)

Model reported by the benchmark

As reportedOrganization: Anthropic

anthropic-opus-4-8 · CoT

Release time reported by the benchmark:

Task score
71.67%
Cost per task
2.3896 USD / Task

Claude Haiku 4.5

Model reported by the benchmark

As reportedOrganization: Anthropic

claude-haiku-4-5-20251001 · Base LLM

Release time reported by the benchmark:

Task score
1.25%
Cost per task
0.0426 USD / Task

Claude Fable 5.1 (XHigh)

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
3.120217 USD / Task

Grok 3

Model reported by the benchmark

As reportedOrganization: xAI

Base LLM

Release time reported by the benchmark:

Task score
0%
Cost per task
0.1421 USD / Task

GPT-5.4 Nano (High)

Model reported by the benchmark

As reportedOrganization: OpenAI

gpt-5-4-nano-reasoning · CoT

Release time reported by the benchmark:

Task score
3.61%
Cost per task
0.13 USD / Task

GPT-5.4 Mini (High)

Model reported by the benchmark

As reportedOrganization: OpenAI

gpt-5-4-mini-reasoning · CoT

Release time reported by the benchmark:

Task score
13.19%
Cost per task
0.56 USD / Task

Claude Fable 5 (Low)

Model reported by the benchmark

As reportedOrganization: Anthropic

anthropic-claude-fable-5 · CoT

Release time reported by the benchmark:

Task score
76.80555555555554%
Cost per task
1.448928 USD / Task

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

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
43.47222222222222%
Cost per task
0.130487 USD / Task