# GPT-4.1

> GPT-4.1 on LegalForecastBench: micro Brier 0.6051 across 387 units.

Canonical: https://www.legalforecastbench.org/models/gpt-4-1/

- Provider: OpenAI
- Reasoning: None (non-reasoning model)
- Public release: 2025-04-14
- Training cutoff: June 1, 2024 (knowledge cutoff)
- Eligibility: eligible. The reported knowledge cutoff (June 1, 2024) predates the first scored decision on June 30, 2026.
- Micro Brier: 0.6051
- Equal-case Brier: 0.5752
- Accuracy: 39.0% (151 of 387)
- High-confidence predictions: 357, of which 229 were wrong

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