The right model for the right prompt.
Every time.

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0.878 correlation with real model performance · measured across 12 model families

Recommended path
  1. Steps appear after analysis.

How complex is this prompt?

Prompt difficulty
00 /100     
Difficulty breakdown

Breakdown appears after analysis.

Which model should you use?

RESEARCH PREVIEW
RECOMMENDED MODEL
        

Appears after analysis.

Model fit by dimension

Model fit appears after analysis.

strong stretch miss not a model-differentiator

Fit inferred from published benchmark scores per axis. Format load and parallel demands are prompt-restructure recommendations — cells showing stretch/miss are advisory, not routing signals.