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cuDF vs Polars

The same facts for both, read from GitHub every night, and the relation a person reviewed.

cuDFPolars
LanguageC++Rust
LicenceApache-2.0MIT
Stars9.8k40k
Latestv26.08.01py-2.0.0
Last push2026-10-062026-10-06
Release cadenceabout 38 days between releasesabout 21 days between releases
Active contributors56+ commit authors on the default branch in the last 90 days56+ commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace pandas. Alternatives to pandas →

    Drop-incuDFcudf.pandas runs pandas code unchanged on an NVIDIA GPU, falling back to the CPU where needed.

    Full replacementPolarsMulti-threaded DataFrames with lazy queries, in Rust with Python bindings, and a different API.