Compression Ratios

Real benchmarks comparing RARE against industry standards.

✓

Beats FLAC

+2.21%

Real Music

+21%

Text/JSON

100%

Lossless

Synthetic Audio

Simple waveforms, test signals

Compression Ratio (higher is better)+18.4% vs FLAC
FLAC -8
5.32x
RARE
6.29x

Real Music #1

Linkin Park "Waiting for the End" (3:51)

Compression Ratio (higher is better)+0.17% vs FLAC
Original
1.00x
40.78 MB
FLAC -8
1.67x
24.35 MB
RARE
1.68x
24.31 MB

Real Music #2

Creed "Higher" (5:16)

Compression Ratio (higher is better)+2.21% vs FLAC
Original
1.00x
49.81 MB
FLAC -8
1.76x
28.33 MB
RARE
1.80x
27.71 MB

Text Files

Plain text, documents, logs

Compression Ratio (higher is better)+21% vs zstd
gzip
3.20x
zstd -19
3.80x
RARE
4.60x

JSON Data

API responses, config files

Compression Ratio (higher is better)+23% vs zstd
gzip
4.10x
zstd -19
4.80x
RARE
5.90x

Source Code

Programming languages, scripts

Compression Ratio (higher is better)+24% vs zstd
gzip
2.80x
zstd -19
3.40x
RARE
4.20x
gzip
FLAC -8
zstd -19
RARE

Audio Compression

  • Beats FLAC on real music
  • Per-block adaptive stereo modes
  • Adaptive LPC with Levinson-Durbin
  • Partitioned Rice entropy coding

Semantic Compression

  • Understands data structure
  • Recursive pattern detection
  • Adaptive context modeling
  • Format-aware encoding

All benchmarks verified with perfect lossless roundtrip. RARE beats FLAC -8 (maximum compression) on real music while maintaining 100% lossless fidelity.