Pitch GradesMovement ProfilesArsenal SynergyDeceptionProjectionsHow Models WorkMethodologyResearchAI ProcessChangelog
Heads up: All models on this page are in their early stages and should be considered placeholders. The underlying methodology is still being refined — take the specific numbers with a grain of salt.
How Models Work
Evaluation & Metrics
How we decide if a model is better
Model quality is judged by how well season-average grades correlate with season-average run value. Per-pitch metrics are too noisy to trust on their own — the real test is whether grades rank pitchers correctly when you zoom out to a full season.