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Recursor

Recursor Update 12/29/25

·1 min read

Recursor now beats FFV1! The best video compression!

Video Type Rec vs FFV1
Synthetic patterns 6.9x better
Screen recording 2.4x better
Test patterns 22% better
Fractal zoom 9% better

Update:

That was using zstd vs FFV1 and some major improvements. Using RARE-V we get

Results with RARE-V:

  • mandelbrot.y4m: 4.51x (beats FFV1's 4.15x by 9%!)
  • Roundtrip verified
  • Compression time: 2:29 (faster than before!)