In the Arena
product
The DualMind web app at arena.dualmindlab.tech where you compare models and vote.
mode
Two anonymous models answer the same prompt; you vote and then see their names. The default mode. See Arena modes.
mode
You choose both models and compare them head to head. In the API:
model1 and model2.mode
A conversation with one model. Nothing to vote on.
pairing
An API-only pairing: the model with the best win rate against a random challenger (
selectionMode: "topper").conversation
A saved conversation. Every battle or chat turn is stored in a thread with its answers and your vote. See Threads and sharing.
private · unlisted · public
Who can read a thread.
private is the default; unlisted and public can be opened by anyone with the link.Voting and ranking
comparisonId
The stored record of one battle. Its ID, the
comparisonId, is what you vote on.left · right · tie · both-bad
Your verdict on a battle.
left and right pick a winner; tie and both-bad record none. See Voting.event
Showing the model names after a vote. Voting marks the comparison as revealed.
rating
A rating that moves after each vote, weighted by how strong the opponent was. New models start at 1000. See Leaderboard.
eloRank
A model’s position by ELO, 1 being best. Equal scores share a rank.
winRate
Wins as a percentage of all battles the model appeared in.
totalResponses
How many comparisons a model has taken part in. More battles means a more settled ELO.
Models
groq · google · cloudflare
The service that runs a model: Groq, Google AI Studio or Cloudflare Workers AI. See Models and providers.
modelName
The provider’s identifier for a model, e.g.
llama-3.3-70b-versatile. Accepted anywhere the API asks for a model.modelId
DualMind’s UUID for a model. Also accepted anywhere the API asks for a model.
pool
Models that random picks draw from: Groq and Google AI Studio. Cloudflare Workers AI models are used only when you choose them.
System Note
A basic model that answers when the chosen one fails or takes longer than 60 seconds. Its reply starts with [System Note].
API
Bearer JWT
The short-lived token from your Arena session, sent as
Authorization: Bearer <token>. See Authentication.X-Correlation-Id
A response header that identifies your request in our logs. Include it when you report a problem.