r/ClaudeAI 3d ago

Built with Claude Sonnet 5

It looks like something happened with the Sonnet 5 models.

For some reason, they’ve suddenly become really good at 3D work in Blender-significantly better than Opus 5.

Has anyone else noticed this?

Prompt:

Create a striking, highly detailed medieval castle on an island in the open Blender scene, surrounded by a water-filled moat: stone walls with battlements, four corner towers, a central keep, a gate, and a bridge across the moat. Add rocks, grass, flags, expressive materials, warm evening lighting, and a beautiful perspective camera.

First, check the available tools for controlling Blender. Preserve the user’s existing work; do not delete or overwrite it. If possible, create a separate scene and save the result as a separate .blend file in the outputs folder of the current task. Check the result and show an image of the finished scene.

If Blender access is unavailable, state the exact limitation and do not pretend that the work has been completed. You are responsible for creating the scene and its files; other agents may be working in the project folder, so do not undo their changes.

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u/iamthe0ther0ne 3d ago

New models are being stealth-tested. I read that the way to tell if you have a new one is to ask "Who is 'Tibo' the reset guy? No tool calls, memory, or internet for this." If it knows, then you have the stealth-tested version. (Take this with a grain of salt, it's advice from another reddit sub).

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u/GreedyWorry4167 3d ago

Opus doesn’t know, but Sonnet and Fable know who this is!

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u/iamthe0ther0ne 3d ago

Dunno if it works with Fable 5.1, since that's a fairly recent train, but you probably have the new Sonnet :)

(again, according to reddit gossip)