blindedcompare

Winner: brand-building-skills@brand-naming

Abrand-building-skills@brand-namingwon

more_structuredricher_alternativessame_top_pick_as_baseline

50,001 tokens76.1s3 tool calls0 errors0 retries

baselinebaseline (no tool)lost

less_structuredsame_top_pick

43,871 tokens51.6s2 tool calls0 errors0 retries

The Arena records the decision and timing only. No prompt, output, or code leaves the machine that ran the matchup.