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GPT-5.6 Luna on ARC-AGI-3

BENCHMARK RECORD: BR-00156LN-091

Report record

Canonical URL: https://www.benchmarkregistry.org/records/BR-00156LN-091

Benchmark scores may depend on benchmark version, evaluation configuration, model snapshot, and evaluator. Records sharing a benchmark name are not necessarily directly comparable.

Record

Record Identifier
BR-00156LN-091
Record Status
WITHDRAWN
Created At
2026-07-13T13:16:57.036Z
Updated At
2026-07-13T13:24:04.681Z
Superseded By
Not applicable

Model

Official Model Name
GPT-5.6 Luna
Model Identifier
OPNAI-56LN
Organization
OpenAI
Model Family
GPT
Model Number
56
Tier
LN
Model Snapshot
Unknown
Snapshot Label
Unknown
Provider Model Identifier
Unknown
Snapshot Date
Unknown

Benchmark

Benchmark Family
ARC-AGI
Benchmark Version or Variant
ARC-AGI-3
Benchmark Version Reference
arc-agi/3
Benchmark Organization
ARC Prize Foundation
Benchmark Status
ACTIVE

Result

Metric
Overall
Score
0.2%
Numeric Score
0.16999999999999998
Evaluation Date
Unknown
Reported Date
2026-07-09

Evaluation Context

Configuration Reference
CFG-000024
Shots
Unknown
Reasoning Mode
reasoning
Reasoning Effort
low
Pass Count
Unknown
Agent Scaffold
Unknown
Evaluation Harness
Unknown
Temperature
Unknown
Top P
Unknown
Max Output Tokens
Unknown
System Prompt Description
Unknown
Additional Configuration
None reported

Source and Reporting

Primary Source
ARC-AGI Leaderboard
Source Type
LEADERBOARD
Publisher
ARC Prize Foundation
Source Published Date
2026-07-09
Source Accessed At
2026-07-13T12:57:08.196Z
Report Type
BENCHMARK_OWNER
Evaluator
ARC Prize Foundation
Evaluator Type
BENCHMARK_OWNER

Provenance

DateEventSourceDetails
2026-07-13T13:16:57.036ZRecord created manuallyARC-AGI Leaderboard
2026-07-13T13:24:04.632ZRecord withdrawn

Record Status

This record is WITHDRAWN. Registry identifiers remain reserved when record status changes.