OpenAI / MODEL EVIDENCE

GPT-5.4-2026-03-05

3 benchmarks · 3 observations · 3 sources

Scores at a glance

3 benchmarks · large dot: GPT-5.4-2026-03-05; small dots: closest models where reported

VISTA ↗50.89%
15.1854.65

gpt-5.4-2026-03-05 (xhigh thinking) · Scale Labs · Score ↗

ForecastBench ↗63.1 Brier index
46.467

gpt-5.4-2026-03-05† · Overall difficulty-adjusted Brier index ↗

Closest models by score

Similar positions on shared benchmark leaderboards. Smaller gaps are closer.

There are not enough shared scored settings to identify close comparisons reliably.

Sources

Every plotted observation links to its evaluation. Reported configurations, benchmark versions and task subsets can differ; similarity describes shared scores, not training lift.

  1. Forecastbench — methodology and published results ↗

    Epoch AI · 2026

  2. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  3. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

Names used in source tables

gpt-5.4-2026-03-05 (xhigh thinking) · gpt-5.4-2026-03-05†