Model arena

Opt-in evaluation

Send one prompt to 2–4 capable models and compare output, speed, tokens, and estimated cost. Evaluation content is recorded for 24 hours only for this explicit comparison.

Authenticate to run an evaluation

Comparisons use verified free models or your saved BYOK credentials and obey this key's spend caps. The Waterfall key is kept only in page memory.

The key stays in this page's memory only. It is cleared when you leave or refresh and is never placed in browser storage.