Referee.chat — An AI Panel Works Your Goal, a Referee Rules
Set the goal.<br>A referee decides when it's done.
Models argue it out. A referee rules on evidence, not on who sounded surer.
Start a match
Set the bar and the panel
Proving a mathematical claim?<br>theorem.chat<br>runs the same panel and then formalises the result in Lean against Mathlib, where the kernel decides.
a maths question<br>a decision to make<br>a literature question<br>find the flaw
The bar it has to clear
Careful expert
What a competent professional in the field would accept as done and correct.
Publication standard
Would survive peer review: every claim sourced or derived, methods stated, limitations acknowle…
Formal proof
A complete deductive argument. Every step justified, every assumption stated, no appeals to pla…
Prize standard
The bar a Clay Millennium Prize submission would face: a complete, self-contained, gap-free pro…
Decision-grade
Enough evidence to act on commercially: options costed, risks named, recommendation justified.
Write my own
Describe your own standard.
The referee holds this bar literally. Ask for a prize-level proof and it will tell you plainly when the panel falls short, rather than declaring victory.
The panel
+ Add a seat<br>Up to 6 debating seats. More seats means more angles — and more cost per round.
Referee
AI21 Jamba Large 1.7
Amazon Nova Premier 1.0
Anthropic Claude Fable 5
Anthropic Claude Fable 5 (batch)
Anthropic Claude Fable Latest
Anthropic Claude Opus 4
Anthropic Claude Opus 4.1
Anthropic Claude Opus 4.1 (batch)
Anthropic Claude Opus 4.5
Anthropic Claude Opus 4.5 (batch)
Anthropic Claude Opus 4.6
Anthropic Claude Opus 4.6 (batch)
Anthropic Claude Opus 4.7
Anthropic Claude Opus 4.7 (Fast)
Anthropic Claude Opus 4.7 (batch)
Anthropic Claude Opus 4.8
Anthropic Claude Opus 4.8 (Fast)
Anthropic Claude Opus 4.8 (batch)
Anthropic Claude Opus 5
Anthropic Claude Opus 5 (Fast)
Anthropic Claude Opus 5 (batch)
Anthropic Claude Opus Latest
Anthropic Claude Sonnet 4
Anthropic Claude Sonnet 4.5
Anthropic Claude Sonnet 4.5 (batch)
Anthropic Claude Sonnet 4.6
Anthropic Claude Sonnet 4.6 (batch)
Anthropic Claude Sonnet 5
Cohere Command R+ (08-2024)
Google Gemini 2.5 Pro
Google Gemini 2.5 Pro Preview 05-06
Google Gemini 2.5 Pro Preview 06-05
Google Gemini 3.1 Pro Preview
Google Gemini 3.1 Pro Preview Custom Tools
Google Gemini 3.5 Flash
Google Nano Banana Pro (Gemini 3 Pro Image)
Mistral Mistral Medium 3.5
MoonshotAI Kimi K3
OpenAI GPT Audio
OpenAI GPT Chat Latest
OpenAI GPT-4
OpenAI GPT-4 Turbo
OpenAI GPT-4 Turbo (batch)
OpenAI GPT-4 Turbo Preview
OpenAI GPT-4.1
OpenAI GPT-4o
OpenAI GPT-4o (2024-05-13)
OpenAI GPT-4o (2024-08-06)
OpenAI GPT-4o (2024-11-20)
OpenAI GPT-5
OpenAI GPT-5 Pro
OpenAI GPT-5 Pro (batch)
OpenAI GPT-5.1
OpenAI GPT-5.1-Codex
OpenAI GPT-5.1-Codex-Max
OpenAI GPT-5.2
OpenAI GPT-5.2 (batch)
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OpenAI GPT-5.2 Pro
OpenAI GPT-5.2 Pro (batch)
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OpenAI GPT-5.3-Codex
OpenAI GPT-5.4
OpenAI GPT-5.4 (batch)
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OpenAI GPT-5.4 Pro (batch)
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OpenAI GPT-5.5 (batch)
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OpenAI GPT-5.6 Sol
OpenAI GPT-5.6 Sol (batch)
OpenAI GPT-5.6 Sol Pro
OpenAI GPT-5.6 Sol Pro (batch)
OpenAI o1
OpenAI o1 (batch)
OpenAI o3
OpenAI o3 Pro
OpenAI o3 Pro (batch)
Qwen Qwen3.6 Max Preview
Sakana Fugu Ultra
~Anthropic Anthropic Claude Sonnet Latest
~Google Google Gemini Pro Latest
~Moonshotai MoonshotAI Kimi Latest
~Openai OpenAI GPT Latest
AionLabs Aion-2.0
AionLabs Aion-3.0
Amazon Nova 2 Lite
Amazon Nova Pro 1.0
Anthropic Claude Haiku 4.5
Anthropic Claude Haiku 4.5 (batch)
Anthropic Claude Sonnet 5 (batch)
ByteDance Seed Seed 1.6
ByteDance Seed Seed 2.1 Turbo
ByteDance Seed Seed-2.0-Code
ByteDance Seed Seed-2.0-Lite
DeepSeek DeepSeek V4 Pro
DeepSeek R1
DeepSeek R1 0528
Google Gemini 2.5 Flash
Google Gemini 2.5 Pro (batch)
Google Gemini 3 Flash Preview
Google Gemini 3.1 Pro Preview (batch)
Google Gemini 3.5 Flash (batch)
Google Gemini 3.5 Flash Lite
Google Gemini 3.6 Flash
Google Gemini 3.6 Flash (batch)
Google Gemini 3.7 Flash
Kwaipilot KAT-Coder-Pro V2.5
Meta Muse Spark 1.1
Meta Muse Spark 1.2
MiniMax MiniMax M1
Mistral Mistral Medium 3
Mistral Mistral Medium 3.1
Mistral Mixtral 8x22B Instruct
Mistralai Mistral Large
Mistralai Mistral Large 2407
MoonshotAI Kimi K2 0711
MoonshotAI Kimi K2 0905
MoonshotAI Kimi K2 Thinking
MoonshotAI Kimi K2.5
MoonshotAI Kimi K2.6
MoonshotAI Kimi K2.7 Code
MoonshotAI Kimi K2.7 Code (batch)
NVIDIA Nemotron 3 Ultra
NVIDIA Nemotron 3 Ultra (batch)
OpenAI GPT Audio Mini
OpenAI GPT-3.5 Turbo (older v0613)
OpenAI GPT-3.5 Turbo 16k
OpenAI GPT-4.1 (batch)
OpenAI GPT-4.1 Mini
OpenAI GPT-4o (batch)
OpenAI GPT-5 (batch)
OpenAI GPT-5 Codex (batch)
OpenAI GPT-5 Mini
OpenAI GPT-5.1 (batch)
OpenAI GPT-5.1-Codex-Mini
OpenAI GPT-5.4 Mini
OpenAI GPT-5.4 Mini (batch)
OpenAI...