# GPT-5.3 Codex Spark vs Codex

The faster Spark produced a weaker pelican.

- Recorded date: 2026-02-12
- Creator / publisher: Simon Willison
- Format: Static SVG
- Prompt category: Not separately recorded
- Original prompt: The complete original prompt is not recorded here; consult the source.
- Last updated: 2026-09-27
- Original source: https://x.com/simonw/status/2022057896121708735
- Archive record: https://pelicanmap.aveniqa.com/en/specimens/x-2022057896121708735-0a187a0f/
- Rights: Works belong to their original creators. Archiving does not change their licenses.
- Media: https://pelicanmap.aveniqa.com/media/recovered/e92049649b91c3527c9d.mp4
  Source: https://video.twimg.com/amplify_video/2022057484463353857/vid/avc1/1000x696/B_XMk9DIwl0MM9tG.mp4?tag=21
- Media: https://pelicanmap.aveniqa.com/media/recovered/cdcf42eb7bec1c949f33.mp4
  Source: https://video.twimg.com/amplify_video/2022057507942973440/vid/avc1/1000x696/lfN79N7Du1vs5aZT.mp4?tag=21
- Media: https://pelicanmap.aveniqa.com/media/x/x-2022057896121708735.png
  Source: https://pbs.twimg.com/media/HA_K6SYbUAAJ1Qi.png?name=orig
- Media: https://pelicanmap.aveniqa.com/media/recovered/edc44bc059934c5311e0.png
  Source: https://pbs.twimg.com/media/HA_KzJ0aYAAQ-3Y.png?name=orig