# Vals GPQA Diamond → LABBench2

Calibration · https://benchgap.net/calibration/1551 · data retrieved 2026-10-29

LABBench2 is estimated from Vals GPQA Diamond with a Michaelis–Menten + offset curve fitted on 6 models measured on both: y = 0.0000 + 2.0000·x / (1.31705 + x), R² = 0.43, cross-validated error 1.9 pp. It is used for 0 estimates.

## Fitted on

| Model | Vals GPQA Diamond | LABBench2 |
|---|---|---|
| [Claude Opus 5](https://benchgap.net/model/claude-opus-5.md) | 93.4% | 84.2% |
| [Claude Sonnet 5](https://benchgap.net/model/claude-sonnet-5.md) | 88.9% | 80.1% |
| [Gemini 3.7 Flash](https://benchgap.net/model/gemini-3-7-flash.md) | 93.9% | 82.1% |
| [Gemini 3.8 Flash](https://benchgap.net/model/gemini-3-8-flash.md) | 94.4% | 86.2% |
| [GPT-5.6 Sol](https://benchgap.net/model/gpt-5-6-sol.md) | 95.2% | 82.1% |
| [GPT-5.6 Terra](https://benchgap.net/model/gpt-5-6-terra.md) | 90.9% | 81.2% |