Paste your draft.
This attacks it.
You can't see your own blind spots. An adversarial AI finds every weak claim, unsourced number, and logical gap in your writing — then fixes them before your reader does.
“Our runway is comfortable and we're growing fast. The team is executing well across all fronts and we expect to hit profitability soon.”
Someone important will read what you wrote.
Here's what they'll find.
You sent the pitch deck
The VC found your TAM claim had no source and your "10x faster" had no benchmark. Pass.
You sent the proposal
The client asked: "What does 'significantly reduce churn' actually mean?" You didn't have an answer.
You sent the board update
You wrote "revenue is on track." The board read it as "they don't know their numbers."
One claim, four steps
Watch a single sentence go through the loop.
“Our platform dramatically improvesteam efficiency. We're growing fast with strong customer love.”
"Dramatically improves" — by how much? What metric? This is the kind of claim that makes a reader stop trusting you.
"Growing fast" — what's the growth rate? Over what period? Compared to what?
"Strong customer love" — NPS? Retention rate? Testimonials? This reads as filler.
3 substantive issues found. Score: 1 — proceed to fix.
“Our platform cuts sprint cycle time by 35% (avg across 12 teams). We're at 42% MoM revenue growth since Q2 with NPS 72 and 94% monthly retention.”
Same voice · every claim now defensible
All original assertions preserved. No facts lost, no claims softened. Done.
The loop doesn't invent data. It forces you to replace vague claims with the evidence you already have — then verifies nothing was lost.
Built for people who can't afford to be wrong.
What happened after they ran the loop.
“I sent my Series A deck to 40 VCs and heard nothing. Ran it through the loop and it flagged that my TAM claim had no source and my "10x faster" had no benchmark. Fixed both. Next batch: 6 meetings in a week.”
Marcus T.
Founder, developer tools startup
“I was about to send a $180K proposal that said we'd "significantly reduce churn." The loop caught it and pushed me to commit to a number. I wrote 15% — and realized I actually had the data to back it up. Client signed the next day.”
James O.
Principal consultant, management consulting
“Our board update said revenue was "on track" — which technically meant we were 8% behind plan but accelerating. The loop flagged the ambiguity and I rewrote it with actual numbers. Board appreciated the honesty. Way better conversation.”
David L.
CEO, Series B fintech
“I wrote a cold email to the CMO of a Fortune 500 company. Thought it was tight. The loop found that my "proven results" line had zero proof. Made me add the actual case study numbers. She replied in 2 hours.”
Rachel K.
Account executive, enterprise SaaS
“Had to write a product launch email to 30K subscribers announcing a pricing change. The loop caught that I buried the price increase in paragraph 4 and led with features nobody asked about. Restructured it. Lowest unsubscribe rate we've ever had on a pricing email.”
Sarah B.
Head of marketing, B2B SaaS
“My dissertation advisor kept saying my argument was "hand-wavy" but couldn't tell me where. The critic found three places where I claimed causation from correlational data. Took 4 minutes to get specific, actionable fixes.”
Priya S.
PhD candidate, computational biology
This is not another AI writing tool.
ChatGPT rewrites your text
We attack it, then fix only what's broken
Grammarly fixes grammar
We fix logic, evidence, and claims
Copy.ai generates content
We harden content you already wrote
Human editors take days
The loop converges in ~3 minutes
How it works
What happens in 3 minutes
You paste your draft
Drop in anything with stakes — a pitch deck, investor update, proposal, important email. Pick your model and hit start.
Round 1: The first attack
The AI reads your text looking for weak claims, vague numbers, missing evidence, and logical gaps. It tags each problem it finds.
Real problems only
A separate check filters out nitpicks. Only substantive issues — the kind a VC or reviewer would catch — survive.
Surgical fixes
Each real problem gets fixed with the smallest possible edit. Your voice, structure, and intent stay exactly as you wrote them.
Nothing was lost
Every fact, data point, and assertion from your original is re-checked. If a fix accidentally dropped something, it gets flagged.
Round 2 starts automatically
The improved text gets attacked again. New round, fresh eyes. This catches problems the first round's fixes may have introduced.
The loop stops itself
When consecutive rounds find only minor issues, or the text barely changes between rounds, the system stops. No wasted rounds.
Your text is bulletproof
Every claim is specific. Every number is sourced. Every argument holds up to scrutiny. Same voice — zero blind spots.
FAQ
The questions you're already thinking.
Why this isn't optional.
You can’t see your own blind spots.
You wrote it, so every claim feels obvious to you. An adversarial critic has no context — it evaluates what’s actually on the page, not what’s in your head.
Your reviewers won’t tell you what’s wrong.
Colleagues say “looks good.” Investors just pass without feedback. The loop gives you the brutal honesty you actually need, before the real audience sees it.
Fixing one issue creates another.
A softened claim, a dropped data point, an internal contradiction. The regression check catches what human editors miss — every fact from your original is re-verified after each fix.
You don’t have time for three editing rounds.
The loop runs 3–5 rounds in under 3 minutes. That’s faster than reading one round of track changes from a human editor.
Architecture based on Andrej Karpathy's autoresearch method for autonomous paper generation.
Pay for what you use.
Free
- 3 runs per day on free models
- Up to 3 rounds per run
- GPT-4o Mini & Gemini Flash
- Full regression checking
- Email-to-run included
Pro
- 20 premium credits / month
- Up to 50 free-model runs per day
- Up to 7 rounds per run
- Claude Sonnet & GPT-4o
- Voice preservation
- Priority support
Credit packs
- 10 credits — $10
- 30 credits — $25
- 75 credits — $50
- 1 credit = 1 premium-model run
- Never expire
- Stack on top of Free or Pro
Your next important send
has blind spots.
Find them before your audience does.
No credit card · Free forever · Takes 30 seconds to start