CraftBench-UE (C++, Unreal MCP): leaderboard
Metric: Task completion (%; C++ tasks completed within 40 minutes over 33 tasks, Unreal MCP editor tools, deterministic build and runtime checks, Claude Code driver). Source: arxiv.org. Saturation forecast: Around December 2026. 7 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.6 Sol | 90.91 |
| 2 | Claude Sonnet 5 | 90.91 |
| 3 | Grok 4.6 | 90.91 |
| 4 | GPT-5.6 Luna | 87.88 |
| 5 | Gemini 3.7 Flash | 87.88 |
| 6 | DeepSeek V4 Pro (0813) | 84.85 |
| 7 | GLM-5.3 Flash | 69.7 |
Interactive version: theaggregate.ai/benchmark?slug=craftbench-ue-c-plus-plus-unreal-mcp · How It Works · Data refreshed daily, snapshot 2026-09-26.