Context-Bench Filesystem — leaderboard
Letta agentic context engineering benchmark: filesystem suite testing file operations, relationship tracing, and multi-step information retrieval.
Metric: Rubric Score (%). Source: leaderboard.letta.com. Status: saturation imminent. 15 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.2 Codex (xHigh) | 93 |
| 2 | GPT-5.4 (xHigh) | 89 |
| 3 | Claude Sonnet 4.6 | 88 |
| 4 | GPT-5.2 (xHigh) | 87 |
| 5 | GPT-5.3 Codex (xHigh) | 85 |
| 6 | Claude Opus 4.6 | 84 |
| 7 | Gemini 3 Flash | 82 |
| 8 | GPT-5 Mini (High) | 67 |
| 9 | Claude Opus 4.5 (20251101) | 63 |
| 10 | Kimi K2.5 | 57 |
| 11 | Claude Sonnet 4.5 | 48 |
| 12 | Claude Haiku 4.5 | 43 |
| 13 | GLM-5 | 39 |
| 14 | MiniMax-M2.5 | 37 |
Interactive version: theaggregate.ai/benchmark?slug=context-bench-filesystem · How the rankings work · Data refreshed daily, snapshot 2026-07-22.