OAKS-BABI (RAG) - Moderate Changes: leaderboard

Metric: Interval-level accuracy (%) on OAKS-BABI (1,224 questions over bAbI-style synthetic stories whose facts change across 2K-token chunks), questions whose answer changes moderately often: the same questions are asked after every chunk and each answer is scored against the answer valid at that point, averaged over intervals and questions; RAG setting (top 30 earlier chunks retrieved with Qwen3-Embedding-0.6B); higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 13 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 2.5 Pro63.3#145
2Gemini 2.5 Flash58.4#237
3Gemini 3 Pro55.5#77
4Qwen 3 235B A22B 2507 Instruct46.8#291
5Qwen 3 Next 80B A3B Instruct44.2#352
6Gemma 3 27B (IT)39.3#509
7Qwen 3 30B A3B 2507 Instruct39.2#464
8Qwen 3 8B (Non-reasoning)34.5#667 (Qwen 3 8B)
9GPT-OSS-120B33.9#330
10Qwen 2.5 7B Instruct32.5#846
11Gemma 3 4B (IT)26.5#971
12Qwen 3 4B 2507 Instruct25.9#745
13GPT-OSS-20B22.9#499

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=oaks-babi-rag-moderate-changes · How It Works · Data refreshed daily, snapshot 2026-10-11.