# Codex / Opus 5.5 · A seaside pelican-cycling comparison

The author shares a mobile-and-desktop seaside pelican-cycling comparison, labelling the upper result Codex and the lower Opus 5.5. The underlying Codex model is undisclosed and is not inferred; the Opus label is also author-reported. The post includes a full prompt and an external playable link, but no code or explicit mirroring license was found. Only the original recording and source links are archived; the external app is not counted as an on-site playable demo.

- Recorded date: 2026-09-24
- Creator / publisher: Yaowei Zheng | LlamaFactory (@code_hiyouga)
- Format: Video
- Prompt category: Source-documented test
- Original prompt: 完整提示词在原始帖子中公开；本站本次未完整转录。 / The full prompt is published in the original post; it is not fully transcribed in this record.
- Last updated: 2026-10-01
- Original source: https://x.com/code_hiyouga/status/2103083781490176212
- Archive record: https://pelicanmap.aveniqa.com/en/specimens/x-hiyouga-codex-opus55-pelican-ride-2026-09-24/
- Rights: Works belong to their original creators. Archiving does not change their licenses.
- Media: https://pelicanmap.aveniqa.com/media/collected/2026-10-01-source-backfill/x-hiyouga-codex-opus55-pelican-ride-20260924.mp4
  Source: https://video.twimg.com/amplify_video/2103083312919228416/vid/avc1/720x960/748GTnRN47NAqCLv.mp4?tag=29