Know which AI wins your task in 30 seconds
Paste your prompt once. AIToolRoulette fires it at GPT and Claude simultaneously, scores each output on accuracy, tone, and brevity, and hands you a winner. Save the result as a Routing Card. Build a personal model-affinity profile that gets sharper every battle.
One prompt. Two models. One winner.
Built on real AI infrastructure
GPT via your own API key
Claude via your own API key
LLM scores every output
Save your best-model picks
Your keys, stored securely
Browse every past result
How it works
Four steps from prompt to routing card. No tab-switching. No copy-pasting.
Write a cold outreach email to a startup founder asking for a 15-minute product feedback call.

Paste your prompt once
Type or paste your task. Both models receive the exact same prompt at the same time. No rewriting for each tab.
Models run in parallel
GPT and Claude answer simultaneously. A judge LLM scores each on accuracy, tone, and brevity.
See the scored battle card
Side-by-side outputs land with per-dimension scores and an overall winner badge. Read both. Trust the numbers.
Save the winner
One tap saves a Routing Card: task type, winning model, your notes. Your profile grows smarter after each battle.
I stopped paying for two AI subscriptions I barely used. One battle session told me Claude owns my writing tasks.
Features
Four capabilities that turn a single prompt into a lasting model decision.
Your keys. Your data.
You bring the API keys. We encrypt them server-side. No data leaves without your prompt.
Encrypted key storage
OpenAI and Anthropic keys are stored encrypted. Check live connection status any time in Settings.
No shared credits
You pay your own API providers directly. We never touch your quota or billing.
Questions answered
Straight answers about what AIToolRoulette does today. No vaporware, no roadmap promises.
