# GPT-5.5 becomes the top model on Adam's CAD benchmarks

By Steven Van · 2026-04-25

The model is now live in Adam's Onshape Extension for natural-language part design.

**GPT-5.5** is now the top-performing model on [Adam](<https://creatorstoolbox.com/tools/adam-cad>)'s internal CAD benchmarks, and it's live in Adam's Onshape Extension.

[View media](<https://video.twimg.com/amplify_video/2047793571764596736/vid/avc1/658x360/rXsGJCMqyXaeTBFK.mp4>)

![Adam](<https://www.google.com/s2/favicons?domain=adam.new&sz=128>)

Adam

AI-powered CAD agent — design mechanical parts with natural language prompts instead of manual clicks.

[View Adam →](<https://creatorstoolbox.com/tools/adam-cad>)

[Read GPT-5.5 becomes the top model on Adam's CAD benchmarks on Creators Toolbox](<https://creatorstoolbox.com/blog/adam-gpt-5-5-tops-adam-s-cad-benchmarks>)

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Canonical source: https://creatorstoolbox.com/blog/adam-gpt-5-5-tops-adam-s-cad-benchmarks