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LongBench v2

Long Bench v2

Multi-domain long context understanding

📜 Long Context
Best: 75%
2 Models Evaluated
Champion

Gemini 3 Pro

Google

63.3%

Best Score

Model Rankings

All models ranked by score on LongBench v2. Scores are relative to the best score of 75%.

#ModelProviderScorevs Best
1Gemini 3 Pro
Elo 1486
Google
63.3%
Best
2Claude Opus 4.6
Elo 1503
Anthropic
58%
-17.0%

Score Distribution

Gemini 3 Pro
63.3%
Claude Opus 4.6
58%

Run This Benchmark

Learn how to evaluate your own models on LongBench v2.

LongBench v2 is a standardized benchmark for evaluating AI model capabilities.

To run this benchmark on your own models, visit the official benchmark page or leaderboard for detailed instructions, code, and evaluation scripts.

Data compiled from official model cards, public leaderboards, and independent evaluations.