Calibration
Gert Labs → MCP Atlas
MCP Atlas is estimated from Gert Labs with a offset logistic curve fitted on 13 models measured on both: y = 0.4354 + (0.7175 − 0.4354) / (1 + exp(−200.00·(x − 0.5694))), R² = 0.55, cross-validated error 14.8 pp. It is used for 7 estimates.
| Estimated model | Gert Labs | MCP Atlas | Source |
|---|---|---|---|
| Gemini 3.1 Flash-Lite | 38.5% | 43.5% | estimated ± 14.8 pp, low confidence |
| GPT-4.1 | 25.7% | 43.5% | estimated ± 14.8 pp, low confidence |
| Grok 4 | 42.3% | 43.5% | estimated ± 14.8 pp, low confidence |
| Grok 4.1 Fast | 47.3% | 43.5% | estimated ± 14.8 pp, low confidence |
| Grok 4.20 | 38.4% | 43.5% | estimated ± 14.8 pp, low confidence |
| Grok Build 0.1 | 49.2% | 43.5% | estimated ± 14.8 pp, low confidence |
| Qwen3 Max | 43.7% | 43.5% | estimated ± 14.8 pp, low confidence |