# Simon Willison says Claude Opus 5.5 made his closing-slide pixel art video

> Developer Simon Willison says he had Claude Opus 5.5 create a celebratory pixel-art animation for his talk, citing the model's surprising skill at the format.

- **Topic**: Models
- **Published**: 2026-09-27T14:19:34.292Z
- **Canonical URL**: https://highsignal.sh/stories/simon-willison-says-claude-opus-5-5-made-his-closing-slide-pixel-art-video-2ef36f67

## Why It Matters

It's an anecdote, not a benchmark — but it is a specialist's first-hand note about a frontier model handling a niche creative format, and it lands the same day Claude Opus 5 is the most-discussed item in the day's AI conversation. Willison's other Opus 5.5 posts cover availability and use limits; this one is about a specific capability, offered as an impression rather than a measured result.

## Key Findings & Analysis

### What Willison said

In a Bluesky post, developer Simon Willison said he included several references to this year's record-breaking Kākāpō breeding season in a talk he gave yesterday. He wrote that Claude Opus 5.5 is surprisingly capable at pixel art animation, so he had the model create a celebratory video for his closing slide. The post is a personal account of using the model, not an evaluation: Willison gives no scores, comparisons, or test conditions, and the word 'surprisingly' is his own impression of the output. Treat the capability claim as his account, not an independently verified result.

## Primary Sources & Citations

- [I included a few references to this year's record-breaking Kākāpō breeding season in a talk I gave yesterday, and sin...](https://bsky.app/profile/simonwillison.net/post/3mwhjlrkyx22f) — *Simon Willison (Bluesky)* (Reporting)

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