Model Releases
You can play it here: https://simonw.github.io/raccoon-heist-codex/ For comparison, here's Fable 5 + Claude Code's game, built from the exac…
You can play it here: https://simonw.github.io/raccoon-heist-codex/ For comparison, here's Fable 5 + Claude Code's game, built from the exact same prompt https://x.com/simonw/status/208508951822360205
You can play it here: https://simonw.github.io/raccoon-heist-codex/ For comparison, here's Fable 5 + Claude Code's game, built from the exact same prompt https://x.com/simonw/status/2085089518223602058 Four years ago today I tweeted about having GPT-3 and DALL-E come up with descriptions and concept art for imaginary computer games This morning I had Fable build the actual game, using the images from that four year old tweet as the spec
Related
- And here's an even better version, built by GPT-5.6 Sol Ultra running in Code Desktop https://x.com/simonw/status/2085808307865014295
- I had Codex Desktop and GPT-5.6 Sol Ultra take a go at building my Raccoon Heist game and it did an even better job than Claude Fable 5 did!…
- ... four years later, I got the new Claude Fable 5 to actually build the game https://x.com/simonw/status/2085089518223602058
- Moonlight & Mayhem (Raccoon Heist by Codex + GPT-5.6 Sol Ultra)
Source: Simon Willison (X) | 2026-08-07