AI co-founder for early founders

Every great company
starts with a premise.

Premise takes your raw idea and pressure-tests it the way a seasoned co-founder would, builds the complete, investor-ready document suite you need to raise — then puts you in front of the investors looking for it.

The problem

Most founders fail not because their ideas are bad — but because they lack access.

And almost everything built to help still sends you outside yourself — to an expensive advisor, an oversubscribed accelerator, or a network you don't have. Premise gives that power back to the founder: an independent, in-your-pocket co-founder that takes you from raw idea to raise on your own terms — no gatekeepers, no five-figure retainers.

Unequal access

The best strategic help — advisors, co-founders, venture pros — is expensive, exclusive, and unevenly distributed, and nearly every tool still sends you outside to find it. Well-connected, well-funded founders win; everyone else is priced out or left guessing.

The knowledge gap

Early founders don't know to ask about their 18-month moat, their competitive blind spots, or why their TAM figure is unsourced. They don't know what they don't know.

Document paralysis

A blank page is terrifying. Most founders spend weeks producing materials that still don't hold up in a real investor conversation.

Why Premise

The whole path from idea to raise — and the investors waiting at the end.

Every other tool solves one slice: a chatbot answers questions, a deck tool formats slides, a dealflow site lists startups. Premise owns the entire journey — and now both sides of the table. It takes you from a raw idea to a pressure-tested, investor-ready venture, then puts you in front of vetted investors looking for exactly what you're building.

Step 1

Raw idea

You arrive with a concept — nothing formalized yet.

Step 2

Pressure-tested plan

Premise stress-tests it like a skeptical co-founder, one question at a time.

Step 3

Investor-ready suite

Five coherent documents that build on each other, not five disconnected files.

Step 4

Rehearsed pitch

Practice the real investor and customer conversations, and get a candid debrief.

Step 5

In front of investors

Get discovered by vetted investors whose thesis matches what you're building.

Point solutions

Cover a single step and hand you off. You're left stitching a chatbot, a deck maker, a spreadsheet, and cold outreach into something coherent — and doing the hard thinking alone.

Premise

One continuous system from idea to raise, that remembers your venture the whole way — and a two-sided marketplace that connects serious founders with serious investors. The whole roadmap, both sides of the table.

Pricing

Start free. Go deeper when you're ready.

Your first venture and its full document suite are free. Upgrade to refine everything, rehearse the real conversations, and build without limits.

Free

$0

One full venture, start to suite.

  • One full venture
  • The complete guided Plan conversation
  • All five investor-ready documents
  • No credit card
Start free
Most popular

Founder

$20/mo

The full co-founder, unlimited.

  • Everything in Free
  • Unlimited ventures
  • Revise — refine every document, versioned
  • Connect — rehearse pitches & customer interviews
  • Validation kit for talking to real people
  • Get discovered by investors (beta)
Go Founder →

Now in private beta

Get discovered by investors.

Premise now puts your pressure-tested venture in front of investors looking for curated, vetted dealflow instead of a cold inbox — and lets investors browse founders by sector and traction. It's early, and we approve investors by hand to keep the bar high.

Free for investors during the beta.

How it works

Plan. Revise. Connect.

Not a one-shot generator. Premise is a loop you come back to — building, sharpening, and rehearsing your venture as it takes shape.

01Plan

Pressure-test your idea into a full suite.

Describe what you're building. Premise asks the questions a real co-founder would — one at a time, calibrated to you — stress-tests your market, moat, and story, and produces five investor-ready documents.

Plan — the guided conversation that builds your document suite.
02Revise

Refine any document, without losing the thread.

Open any doc in a focused workspace beside a chat that remembers your venture. Ask for a change and Premise pushes back if it weakens the story — every revision versioned, so you can always step back.

Revise — the two-pane workspace: your revision chat beside the live document.
03Connect

Rehearse the conversations that decide your raise.

Practice the investor pitch and customer interviews against a realistic, skeptical counterpart grounded in your own plan. Get a candid debrief, turn it into concrete edits, and generate a validation kit for talking to real people.

Connect — rehearse an investor pitch and get a candid debrief.

The deliverables

Five investor-ready documents.

1

One-Pager

The sharpest distillation of your venture — the document an investor reads first.

2

Founder Roadmap

A phased, executable plan with decision gates, grounded in what's actually buildable.

3

Feasibility & POC Report

An honest assessment of what's proven, what's plausible, and how to de-risk it early.

4

Pitch Deck Narrative

The story arc for your raise, built on everything established before it.

5

Brand Overview

Positioning, voice, and identity foundations derived from the full body of work.

Why not just an LLM?

An LLM tells you your idea is great.
Premise tells you the truth.

Premise isn't a chatbot with a nicer prompt. It remembers your specific venture, pushes back on weak assumptions instead of cheering them on, runs a real plan-to-pitch workflow, and hands you documents you can actually take into the room.

A blank ChatGPT box

Flatters you, forgets your venture between sessions, and needs you to already know what to ask, in what order, with what rigor. The blank-page problem in a new window.

Deck & doc tools

Gamma, Tome, and Beautiful.ai make slides look good — but they're output tools. They require you to already know what to put in them.

Advisors & accelerators

YC, fractional advisors, and incubators offer real strategic thinking — but they're expensive, exclusive, and oversubscribed. YC accepts under 1%.

Premise

A candid co-founder that knows your venture, pressure-tests it like a skeptic, guides you from raw idea to investor-ready, and lets you rehearse the real conversations before they happen — so you leave sharper than you arrived.

Why now

“Enterprise AI investment tripled in 2025 — from $11.5B to $37B, the fastest-scaling software category in history.”

Menlo Ventures, State of Generative AI 2025

Questions

Everything you might be wondering.

What exactly do I get?+

A guided conversation that builds five investor-ready documents — one-pager, founder roadmap, feasibility & POC report, pitch deck narrative, and brand overview — each tailored to your venture and exportable. Upgrade to keep refining them and to rehearse your pitch.

How long does it take?+

About 15–20 minutes of focused conversation to produce your full five-document suite. The more honest detail you bring, the sharper the output.

Do I need a business background?+

No. Premise calibrates to you — whether you're technical, business-minded, or starting completely fresh with just an idea.

How is this different from ChatGPT?+

An LLM gives you a blank box, forgets your venture, and tends to flatter your idea. Premise remembers your specific plan, pushes back like a skeptic, runs a real plan-revise-rehearse workflow, and produces coherent documents that build on each other.

Can investors use Premise too?+

Yes — Premise is two-sided. Investors apply for access (free during our private beta, and hand-reviewed to keep the bar high), then browse pressure-tested ventures by sector and traction, see the ones that match their thesis, and request warm intros. Founders stay in control — they choose what's shared and approve every intro before any contact is exchanged.

How much does it cost?+

Free to start — one full venture and its five-document suite, no card. Founder is $20/mo for unlimited ventures plus Revise and Connect.

Is my work private?+

Your projects and documents are tied to your account and aren't shared. You can return to them anytime.

Pressure-test your idea today.

Build your first investor-ready suite free — about 15–20 minutes, no credit card.