Artificial Analysis Openness Index (AA Openness Index)

Name: Artificial Analysis Openness Index
Creator: BenchLM

A display-only Artificial Analysis model-openness index.

Data verified July 9, 2026

Benchmark score on AA Openness Index — July 9, 2026

BenchLM mirrors the published score view for AA Openness Index. Nemotron 3 Ultra leads the public snapshot at 83.3% , followed by GLM-5.2 (44.4%) and GPT-OSS 120B (38.9%). BenchLM does not use these results to rank models overall.

1Open

Nemotron 3 Ultra

NVIDIA

nemotron-3-ultra-500b

83.3%

Overall 63Context 1M

2Open

GLM-5.2

Z.AI

glm-5-2

44.4%

Overall 81Context 1M

3Open

GPT-OSS 120B

OpenAI

gpt-oss-120b

38.9%

Overall ~34Context 128K

8 modelsKnowledgeCurrentDisplay onlyUpdated July 9, 2026

The published AA Openness Index snapshot is tightly clustered at the top: Nemotron 3 Ultra sits at 83.3%, while the third row is only 44.4 points behind. The broader top-10 spread is 50.0 points, so the benchmark still separates strong models even when the leaders cluster.

8 models have been evaluated on AA Openness Index. The benchmark falls in the Knowledge category. This category carries a 12% weight in BenchLM.ai's overall scoring system. AA Openness Index is currently displayed for reference but excluded from the scoring formula, so it does not directly affect overall rankings.

About AA Openness Index

Year

2026

Tasks

Model openness assessment

Format

Index score

Difficulty

Display-only external reference

Stored separately from capability benchmarks and excluded from weighted scoring.

Artificial Analysis Openness Index

BenchLM freshness & provenance

Version

AA Openness Index 2026

Refresh cadence

Quarterly

Staleness state

Current

Question availability

Public benchmark set

CurrentDisplay only

BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.