# gemini-2.5-flash-preview-05-20 · default thinking

The article explicitly identifies this initial static output as the default model with thinking enabled, not the later Now animate it response. Original SVG is copied verbatim from a pinned Response. Compared with the independent same-day thinking_budget=0 output; the author default represents the timeline. Model unverified; date is source publication.

- Recorded date: 2025-05-20
- Date precision: Day
- Date basis: source-publication
- Model (source label): gemini-2.5-flash-preview-05-20
- Model attribution: Source-reported, not independently authenticated
- Creator / publisher: Simon Willison
- Format: Static SVG
- Prompt category: Source-documented test
- Original prompt: Generate an SVG of a pelican riding a bicycle
- Last updated: 2026-10-01
- caseRole: case
- caseNumber: 90
- timelineVisible: True
- datePrecision: day
- dateBasis: source-publication
- comparisonIds: ['simon-gemini-flash-budget-zero-2025-05-20', 'history-5b61866c-0-0']
- Original source: https://simonwillison.net/2025/May/20/gemini-25/
- Archive record: https://pelicanmap.aveniqa.com/en/specimens/history-5b61866c-0-0/
- Rights: Works belong to their original creators. Archiving does not change their licenses.
- Media: https://pelicanmap.aveniqa.com/media/collected/2026-10-01-user-history-links/history-5b61866c-0-0.svg
  Source: https://gist.githubusercontent.com/simonw/5b61866cb4ce67899934c29a9de1b4be/raw/8f7351708580cc0a34c355744b6e1e194d847329/pelican.md