Fable 5 is back — Anthropic's most capable model, the one the government pulled offline. No benchmarks this time. I gave it four one-paragraph jobs on Ultra Code, no handholding, and it built four complete, real projects. Two businesses, two games. It didn't break.
- A full go-to-market machine from one prompt. A real Next.js funnel (6 pages, Stripe test checkout), an 8-page PDF lead magnet, 11 generated images, 6 UGC video ads, and 30 personalized cold-email drafts — even its own honest disclaimer, unprompted. ~2 hours, ~1M tokens. No other model one-shots all of that.
- Two games that shouldn't be possible from one prompt. Minecraft ("VoxelCraft") with its own chunk + lighting engine and a live engine HUD — next to Opus's version it's not a fair fight. And a GTA-style open world ("NEON BAY"): a ~600-building neon city with day-night, drifting cars, traffic, and a full wanted system. It even stress-tested its own police chase at 60fps.
- It fixes its own mistakes. When its 5-agent code review hit rate limits and died, it said so, did the review by hand, and found + fixed four real bugs. It's not that it never breaks — it tells you and fixes it.
- A full brand launch campaign inside HyperAgent. From one prompt: live research, 16 images, 6 videos, a 30-second scored film (with a real Street View of the address), a pitch deck, and a live page — an agency-grade package. Honest label: Fable directs; Veo/Gemini render.
- The catch now it's back. Guardrails came back way up (it quietly falls back to Opus on normal coding), and it's expensive — ~$10/$50 per million, double Opus. Pro/Max/Team get it free for up to half your weekly usage through July 7, then pay-as-you-go.
My take: it's a specialist, not your daily driver. Don't point it at little tasks — hand it the big, scary, one-shot jobs (the whole app, campaign, or migration you've been dreading) where a single good run pays for itself.
📎 Full breakdown PDF pinned below — all four builds, the exact prompts, the rough edges, and what changed now it's back.
Every prompt is free inside The AI Accelerator (19k+ members).
👉 What's the one hard build you'd hand it on Ultra Code? Drop it below.
[Watch the video here ▶️]