Calibration
Toolathlon → MCP Atlas
MCP Atlas is estimated from Toolathlon with a inverse Michaelis–Menten curve fitted on 17 models measured on both: y = 2.01861·(x − 0.0000) / (0.0000 + 2.0000 − x), R² = 0.58, cross-validated error 11.8 pp. It is used for 0 estimates.
Fitted on
| Model | Toolathlon | MCP Atlas |
|---|---|---|
| Claude Opus 4.5 | 43.5% | 42.3% |
| Claude Opus 4.8 | 59.9% | 82.2% |
| DeepSeek V4 Flash 0731 | 47.8% | 69.0% |
| DeepSeek V4 Pro 0813 | 51.8% | 73.6% |
| Gemini 3.5 Flash | 56.5% | 83.6% |
| GLM-5 | 38.0% | 31.1% |
| GLM-5.2 | 48.2% | 76.8% |
| GPT-5.4 | 54.6% | 70.6% |
| GPT-5.4 mini | 42.9% | 57.7% |
| GPT-5.4 nano | 35.5% | 56.1% |
| GPT-5.5 | 55.6% | 75.3% |
| Kimi K2.6 | 50.0% | 55.9% |
| Kimi K2.5 | 27.8% | 29.5% |
| Muse Spark 1.1 | 75.6% | 88.1% |
| Qwen3.5 397B | 36.3% | 46.1% |
| Qwen3.6-35B-A3B | 26.9% | 62.8% |
| Qwen3.6 Plus | 39.8% | 48.2% |