BENCHMARK REGISTRY
Public Artificial Intelligence Benchmark Records Database

GPT-5.6 Sol on Humanity's Last Exam No tools

BENCHMARK RECORD: BR-00156SL-057

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Canonical URL: https://www.benchmarkregistry.org/records/BR-00156SL-057

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-00156SL-057
Record Status
ACTIVE
Created At
2026-07-13T05:45:04.555Z
Updated At
2026-07-13T05:45:04.555Z
Superseded By
Not applicable

Model

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

Benchmark

Benchmark Family
Humanity's Last Exam
Benchmark Version or Variant
No tools
Benchmark Version Reference
humanitys-last-exam/no-tools
Benchmark Organization
Center for AI Safety
Benchmark Status
ACTIVE

Result

Metric
Overall
Score
47.2%
Numeric Score
47.2
Evaluation Date
Unknown
Reported Date
2026-07-13

Evaluation Context

Configuration Reference
CFG-000002
Shots
Unknown
Reasoning Mode
Unknown
Reasoning Effort
max
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
Artificial Analysis Model Leaderboard
Source Type
LEADERBOARD
Publisher
Artificial Analysis
Source Published Date
Unknown
Source Accessed At
2026-07-13T04:53:32.160Z
Report Type
INDEPENDENT
Evaluator
Artificial Analysis
Evaluator Type
INDEPENDENT_ORGANIZATION

Provenance

DateEventSourceDetails
2026-07-13T05:45:04.555ZRecord created manuallyArtificial Analysis Model Leaderboard—

Record Status

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