Referee.chat vs Kairos

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Referee.chat compared with Kairos
Detail	Referee.chat	Kairos
What it does	An AI panel debates your goal; a referee rules on re-checkable evidence	The transaction layer for AI agents
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Contact for pricing
Pricing	Free: $1.00 starting credit once. Credit plans from $10 top-up with no expiration. Your own key: 5% infrastructure fee after the first $5.00 of usage.	Per-execution pricing: one fee per execution that returns proof, charged only when proof comes back. Failed or cancelled runs cost nothing. Planning and approvals are free.
Key features	Panel of up to six AI models from different vendors Referee rules on re-checkable evidence only Searches academic databases: arXiv, OpenAlex, Crossref, Europe PMC Executes Python code to verify claims Customizable acceptance standards Matches pause and resume without losing work Shared ledger prevents re-derivation Spending limit per match	Boundary approval system for controlled execution Checkpoint-based resumable execution Verifiable proof of completion Composable proof for multi-agent workflows Per-execution pricing model Integration with multiple agent frameworks
What makes it different	Referee decides on evidence, not argument quality Panel from different vendors fails in different directions Stuck is a targeted question, not model thrashing Cost grows with ledger, not round count Published matches become research record	Pay only for verified results, not for attempts or planning Human-approved boundaries ensure agent actions stay within limits Interruptible checkpoints allow pausing and resuming executions Proof is built into results for auditability and composability
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	13	10
Referring domains (Majestic)	31	1

5 details filled in for both companies.

More alternatives to Referee.chat More alternatives to Kairos