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Comparison of Wan-2.1 First-Last-Frame-to-Video, SpaceXAI: Grok Imagine Video 1.5 Lite
2 modelsfal-aiWan-2.1 First-Last-Frame-to-VideoRemove ×x-aiSpaceXAI: Grok Imagine Video 1.5 LiteRemove ×
What’s differentWan-2.1 flf2v generates dynamic videos by intelligently bridging a given first frame to a desired end frame through smooth, coherent motion sequences.Lite text-to-video endpoint with 480p, 720p or 1080p output, adjustable duration and seven landscape-to-portrait aspect ratios.
DateApr 17, 2025ListedAug 26, 2026Released
Listed rateSee provider quotesSee provider quotes
Provider endpoints0 endpoints →0 endpoints →
AA Video + Audio ↗2.1Not reported991.58 ↗Text-to-video · audio evaluated · all categoriesIndependent result95% CI 977.58–1,005.58 · n=6,643
AA Video Silent ↗2.1Not reported979.49 ↗Text-to-video · silent evaluation · all categoriesIndependent result95% CI 961.49–997.49 · n=3,657
Context window——
Max output——
Parameters——
Structured outputNot reportedSupported
Image inputNot reportedSupported

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