Two AI models each made a launch video for the same product — can you tell them apart?

thesaraharminta · x · 2026-10-02

A fun blind-comparison experiment: @mesmerlord had both Fable 5.5 and Opus 5.5 create a release video for Fable 5.5, using Anthropic's official videos as reference, then asked viewers to guess which video came from which model.

The author notes the models invented numbers and could generate images via Codex when needed. Classic model-vs-model showcase content — the appeal is spotting the stylistic differences between the two outputs.

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