Scale AI - MCP Atlas: leaderboard
Evaluates real-world tool use through the Model Context Protocol. Part of Scale's SEAL agentic benchmark suite.
Metric: Pass Rate (self-reported). Source: benchmarklist.com. Status: saturation imminent. 51 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Muse Spark 1.1 | 88.1 |
| 2 | Claude Opus 5 | 85.8 |
| 3 | Claude Opus 5 (xHigh) | 85.8 |
| 4 | Kimi K3 (Max) | 84.2 |
| 5 | Hy4 preview | 83.7 |
| 6 | Gemini 3.5 Flash | 83.6 |
| 7 | Gemini 3.5 Flash (High) | 83.6 |
| 8 | Claude Opus 4.8 (Max) | 83.6 |
| 9 | Claude Fable 5 | 83.3 |
| 10 | Claude Fable 5 (Max) | 83.3 |
| 11 | GPT-5.5 (xHigh) | 82.8 |
| 12 | Muse Spark | 82.2 |
| 13 | GPT-5.6 Sol | 81.8 |
| 14 | GPT-5.6 Sol (Max) | 81.8 |
| 15 | Seed 2.1 Turbo | 80.3 |
Interactive version: theaggregate.ai/benchmark?slug=scale-ai-mcp-atlas · How It Works · Data refreshed daily, snapshot 2026-09-05.