Compare3 of 4 selected
Model comparison
Two to four models, side by side on the five measurements behind the shopping score.
Anthropic
OpenAIMeasurementsranked within each band
Checkout rate40% of score
Claude Sonnet 4.634.7✓
Claude Opus 4.822.3
GPT-5.510.2
Cart rate20% of score
Claude Sonnet 4.647.5✓
Claude Opus 4.831.6
GPT-5.524.5
Search rate10% of score
Claude Sonnet 4.679.6✓
GPT-5.570
Claude Opus 4.863.6
Turn efficiency15% of score
Claude Opus 4.846✓
Claude Sonnet 4.644
GPT-5.524
Token efficiency15% of score
GPT-5.58✓
Claude Opus 4.80
Claude Sonnet 4.60
Best of the selectionper measurement
Checkout rateClaude Sonnet 4.634.7/100
Cart rateClaude Sonnet 4.647.5/100
Search rateClaude Sonnet 4.679.6/100
Turn efficiencyClaude Opus 4.846/100
Token efficiencyGPT-5.58/100
These rates are averages across every store in the harness. Yours will differ — the same model scores differently against a strict store and an unenforced one. Run Agent session