MCPGen - Workflow Reconstruction: leaderboard
Metric: Reconstruction score (%; 0.4 x step order + 0.2 x dependency-edge recovery + 0.4 x path robustness, mean over five shuffled, anonymized variants of each project workflow; single-turn generation, temperature 0, 100 executable MCP projects from 16 domains). Source: arxiv.org. Saturation forecast: Around December 2026. 11 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Gemini 3 Flash (Preview) | 88.5 |
| 2 | Gemini 3 Pro (Preview) | 86.7 |
| 3 | Claude Sonnet 4.5 | 85.9 |
| 4 | Claude Haiku 4.5 (20251001) | 84 |
| 5 | GPT-5.2 | 83.7 |
| 6 | O3 | 83.7 |
| 7 | GPT-5.1 | 81.5 |
| 8 | MiniMax-M2.1 | 78.2 |
| 9 | Qwen 3 Next 80B A3B Instruct | 75.7 |
| 10 | Qwen 3 Coder 30B A3B Instruct | 75.1 |
| 11 | GPT-4o Mini | 70.7 |
Interactive version: theaggregate.ai/benchmark?slug=mcpgen-workflow-reconstruction · How It Works · Data refreshed daily, snapshot 2026-09-26.