If your emails were from royal times 👑
Built a cool cinematic 3D letter inbox in threejs using Claude Opus 5. Everything you see is pure code, no external assets. Even the leather wax seal was built using LatheGeometry. I honestly didn’t expect AI to pull this off so well.
Opus 5 made a game about moon rover.
No assets, everything is procedural generated
Which one did better?
Grok 4.6 Claude Opus 5 Claude Fable 5 GPT 5.6 sol high
Even before I type anything into Claude, I've already received the "instructions."
This is the system prompt. Although it is invisible to the user, it is a "background design document" that determines Claude's response style, values, and constraints. Anthropic has published the entire text in their official documentation. Opus from Haiku 3
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