<changelog>
Seedance 2.0 report changes
This record tracks changes to the Seedance 2.0 score, methodology, evidence, comparisons, and public report presentation.
Last updated August 19, 2026
← Return to reportCategory evidence and assessments
- Locked each category to a named canonical v-benchmark v2 prompt so the same evidence can be compared across models.
- Added separate This Video and This Category assessments for every category.
- Limited Essential, Major, and Minor violation reporting to checklist-scored categories.
Comparison and sharing update
- Added model-family score differences, five-model category radar comparisons, and the published leaderboard.
- Added branded WebP, JPEG, and direct-link sharing controls to each chart and leaderboard.
- Added hover playback to similar-score model evidence videos.
Report presentation update
- Introduced the v-benchmark v2 report format, Megaton Index explanation, model rank, generation provider, and last-updated provenance.
- Added the featured water portrait video and the light and dark report presentation.
- Added the paid-access boundary and complimentary full-report path for evaluated labs.
Published leaderboard alignment
- Aligned the scorecard with the immutable v-benchmark v2 leaderboard publication and its category-level scores.
- Added category comparisons only where models share the same V2 evaluation basis.
Initial Seedance 2.0 evaluation snapshot
- Published the 60-video evaluation coverage, weighted category results, and disclosure-safe violation totals.
- Recorded the initial Megaton Index result and evaluation date for Seedance 2.0.
