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Compare and use multiple AI models with one prompt on a pay-as-you-go basis.

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Product memo

AI Mizu gives users a unified interface for interacting with various AI models, including Claude and GPT. It removes subscription fatigue by providing a flexible pay-as-you-go model, allowing users to pay only for token usage. This approach targets users who need to compare AI outputs or use different models without monthly commitments.

For who
Users comparing AI models side-by-side
Solves what
Testing and using multiple AI models with a single prompt and pay-as-you-go pricing.
  • Multi-model access
  • Pay-as-you-go pricing
  • Keyboard-first interface

Operator & company

Operators

1 person

Renato Nitta

Founder · Profile verified

X @renatonitta

Company

Founded

Aug 2025

HQ

Brazil

Operating model

Business model

Usage Based

Platform

Web app

Audience

Developers

Payments

Stripe

Product channels

Builder strategy

ProvenRadar analysis

Strategy Type
Niche Specialist
Stage
Pre Revenue
Effort
Solo Buildable

Source evidence

Current source facts supporting this analysis. They remain attributed and may be newer than the latest dossier refresh.

Evidence sources

About AI-Mizu Expand

AI Mizu provides a unified interface for interacting with various AI models, such as Claude and GPT, designed for users who need to compare AI outputs or use different models without monthly commitments. The platform removes subscription fatigue by offering a flexible pay-as-you-go model, where users pay only for token usage.

This approach makes it a cost-effective alternative to fixed subscriptions, serving developers and researchers who frequently evaluate different AI models. The focus on side-by-side comparison and usage-based pricing creates a clear value proposition for those seeking flexibility and control over their AI consumption.

In their own words

One prompt. Many minds.

Test and use multiple AI models (Claude, GPT & more to come) in one clean interface. Pay only for what you use.

Compare responses from multiple AI models instantly

Competitive context

5 peers · Same primary niche.

PromptPerf

PromptPerf

#ai

promptperf.dev

<$1k

NinjaTools

NinjaTools

#ai

ninjatools.ai

<$1k

10k-50k visits

AiMatch.pro

AiMatch.pro

#ai

aimatch.pro

<$1k

<1k visits

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Commercial cues

Model
usage based
Free tier
Yes
Trial
Available

Pricing strategy

  • Pay-as-you-go model avoids monthly lock-in for casual or intermittent users.
  • Compares usage-based cost against typical subscriptions to highlight savings.

Tech stack

Ruby on RailsRuby