PersistBench - Beneficial Memory: leaderboard

Metric: Failure Rate (%). Source: arxiv.org. 18 models tracked.

Top models

#ModelScore
1Claude Opus 4.52
2Gemini 3 Flash4
3Gemini 3 Pro4
4Grok 45
5Grok 4.1 Fast6
6Kimi K2 (Thinking)10
7Claude Sonnet 4.511
8DeepSeek V3.2 Speciale14
9Qwen 3 235B A22B19
10GPT-OSS-120B20
11GLM-4.721
12GPT-5.2 (High)23
13MiniMax-M2.130
14Kimi K2 090533
15GPT-4o53

Interactive version: theaggregate.ai/benchmark?slug=persistbench-beneficial-memory · How It Works · Data refreshed daily, snapshot 2026-09-19.