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Palette Trains a 20B Model to Build Slides in IBM’s Design Language

Palette: teaching a small model to build decks in your design language

Image: Hugging Face Blog
Who
Hugging Face and IBM Research
Quote
This post covers how we synthesized the data, trained the model and built a harness around it.

What happened

IBM Research introduces Palette, a fine-tuned 20B open-weight model that builds slide decks using IBM Design Language. It divides the work between a designer that creates a structured brief and a coder that generates slide code, with a harness that checks and repairs rendering problems. On PresentBench, Palette ranks first in Economics and Education, third in Talk, and second on the three-domain mean.

Why it matters

Palette separates deck planning from slide geometry and uses a render-and-repair harness to check generated slides. The reported benchmark results show where this approach performs well across three domains.

Read next

See the full storyIBM Research Introduces Palette, a 20B Model for IBM-Style Slide Decks

The story so far

IBM Research introduced Palette, a fine-tuned 20B open-weight model and harness that build slide decks in IBM Design Language. Palette splits the work between a designer that creates a structured brief and a coder that generates slide code; the harness checks and repairs rendering problems. On PresentBench, Palette ranked first in Economics and Education, third in Talk, and second on the mean across those three domains.

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