# GPT-6.1 Sol

> GPT-6.1 Sol on LegalForecastBench: micro Brier 0.1495 across 387 units.

Canonical: https://www.legalforecastbench.org/models/gpt-6-1-sol/

- Provider: OpenAI
- Reasoning: High
- Public release: 2026-09-29
- Training cutoff: April 30, 2026 (knowledge cutoff)
- Eligibility: eligible. The reported knowledge cutoff (April 30, 2026) predates the first scored decision on June 30, 2026.
- Micro Brier: 0.1495
- Equal-case Brier: 0.1389
- Accuracy: 78.6% (304 of 387)
- High-confidence predictions: 199, of which 18 were wrong

Ranked comparison: https://www.legalforecastbench.org/#leaderboard