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Mono

The world's best AI in one place

AI · Founded 2025 · Switzerland

AI
Productivity
SaaS

Visit mono.chat ↗Founder interest ↓

Can you vibecode this?

Yes

The core loop — routing a prompt to the right model, unifying memory across models, and wrapping it in a subscription — is pure code. The privacy layer and cross-model research are substantial but self-contained. No licence, catalogue, or human delivery blocks the path to a paying customer.

Build This with Leapd →

The business

Total revenue

$60K+

Verified recently

Monthly revenue

$10K+/mo

→ Steady · 60-day average

Peak month

~$10K

Best single month

Growth

~48.5×

Early months vs recent

For owners

Own Mono? List it for sale.

Founders read this page looking for a business to build like your $10K+/mo one — some would rather buy one that already works. They skip the line, you get a clean exit. $25 one-time, no commission.

Why it works

Value proposition
One subscription gives access to every leading AI model, automatically chosen per task.
Problem
Switching between multiple AI subscriptions wastes time and money.
Audience
Individuals and business teams who use AI daily for varied tasks.
Business model
Three monthly per-user tiers at $20, $34 and $96, billed through Stripe.

Good to knowCancel any timeClaudeGeminiOpenAIPerplexitySwiss made

Can you vibecode this?

Yes

Moat

Switching costs
Proprietary data

Why people pay Mono

Mono accumulates cross-model memory and project history that a fresh competitor has none of. Users who have built up memories, custom skills, and organized projects face real friction to leave and rebuild that context elsewhere.

Product complexity
Moderate
Routing logic, cross-model memory and a privacy anonymization layer go beyond a standard AI chat wrapper.
Data
Low
All content comes from the connected AI model APIs; no proprietary dataset is needed.
Integrations & infrastructure
Moderate
Multiple AI provider APIs plus plugin connections to external tools like email and spreadsheets are required.
Human operations
Low
The product is fully software-delivered with no human fulfillment or physical operations.
Regulation / hardware
Low
No regulated activity; GDPR-aligned European hosting is a configuration choice, not a license requirement.

Build this business

Use the build specification below with any AI coding tool, or build it directly with Leapd.

Build This with Leapd →

Leapd builds

AI chat app with automatic model routing, cross-model memory, privacy layer and projects
Monthly per-user subscriptions at three tiers with Stripe
Claude, Gemini, OpenAI, Perplexity and Kimi API connections
A landing page

Leapd runs

Cold email outreach to potential customers
Meta ads
LinkedIn and X posts
SEO and AI-search visibility
A daily report of what shipped

Opportunity check

Passes: Proven market: $10K+/mo already paid for it
Passes: Proven model: Three monthly per-user tiers: Mono, Pro and Max
Passes: Proven need: Teams want one AI subscription for everything
Passes: Buildable: Leapd builds it end to end

build-spec.txt

Build a multi-model AI chat web app sold as a monthly per-user subscription.

Product:
- User accounts with a personal dashboard showing chat history and active projects
- Automatic model routing that picks the best AI model based on the user's task type
- Cross-model unified memory that persists context across different AI models, with user controls over what carries over
- Multi-model research mode that queries Claude, Gemini and OpenAI models and compiles a single research report
- Privacy layer that anonymizes sensitive terms before sending prompts to AI providers
- Projects that group related chats, documents and memories, with the ability to invite collaborators
- Custom Skills that users can create, export and import to shape model responses across all models
- Plugin connections that let users link external tools such as email and spreadsheets

Billing:
- Three monthly per-user tiers (Mono, Pro and Max) with higher tiers unlocking larger file uploads, more usage of limited models and more image and message quotas, charged with Stripe

Integrations:
- Claude, Gemini, OpenAI, Perplexity and Kimi APIs connected through their respective APIs using the customer's own credentials