Now live — free to try, no signup needed

Proof Before You Install.Know What You're Getting.

IZONUS Proof compares two AI workflows head-to-head across Claude, GPT-4o, and Gemini. See real output quality, actual token costs, and security risks — before you commit.

No account needed to start · 3 free duels/day

31%

avg token reduction

$0.00

to get started

3

AI models compared

100%

browser-private keys

How It Works

01

Paste or link two workflows

Paste SKILL.md content directly or drop a GitHub URL. We fetch it automatically.

02

Pick your AI models

Choose Claude, GPT-4o, Gemini, or run all three at once for a full comparison.

03

We run the duel

IZONUS Proof generates a subject-specific stress test and runs both workflows against it.

04

See who wins — and why

Get a full scorecard: output quality, cost, safety, token usage, and a clear winner.

Everything You Need to Pick Better Workflows

No more guessing which prompt or workflow is more efficient

Workflow Duels

Paste two workflows and compare them head-to-head across Claude, GPT-4o, and Gemini simultaneously. See real output quality, token costs, and speed.

Real Cost Comparison

See exactly what each workflow costs per run across every major AI provider. Find the cheapest model that still delivers quality.

Security Scanner

Traffic-light security scan detects prompt injection, credential theft, destructive commands, and hidden instructions before you install anything.

Workflow Refiner

Paste a bloated workflow and get back a leaner version that does the same job for 30% fewer tokens. Compound savings at scale.

Savings Dashboard

Track every dollar and token you've saved. See which workflows are worth keeping, which need refinement, and which are costing you money.

Bring Your Own Key

Use your own Anthropic, OpenAI, or Google API key. Your key stays in your browser — we never store it. Pro users get unlimited duels.

Ready to Save Real Money?

Pro users save an average of 31% on token costs. At 50 workflow runs a day, that's real money back in your pocket every month.

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