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Back Comparison between UV Package Manager and Conda: 17 Jun, 2025

Here's a detailed comparison between UV Package Manager and Conda:


🆚 UV vs Conda: A Feature-by-Feature Comparison

Feature UV Package Manager Conda
Primary Language Rust Python
Package Format PyPI (wheel, source) Conda packages (binary)
Speed 🚀 Extremely fast (Rust-based) Moderate (slower dependency resolution)
Dependency Resolution Fast, uses modern resolver Slower, but powerful for binary packages
Environment Management ✅ Yes (via uv venv) ✅ Yes (conda create, conda activate)
Lockfile Support ✅ Yes (uv.lock) ❌ Not built-in (via external tools like conda-lock)
Python-only? ✅ Yes, focuses only on Python packages ❌ No, supports R, C/C++, Julia, etc.
Offline Caching ✅ Yes (uv cache) ✅ Yes
Cross-platform ✅ Yes ✅ Yes
Virtual Environment Type Uses .venv/ (standard Python venv) Conda environments
Third-party Libraries From PyPI (e.g. requests, numpy) From Conda channels (defaults, conda-forge, etc.)
Binary Packages ❌ No (uses wheels/compilation if needed) ✅ Yes (precompiled binaries, no compiler required)
Ease of Use Simple & clean UX with CLI Slightly more complex CLI
Project Scope Python development only Full data science stack (R, CUDA, etc.)
Installation Size Very lightweight (~single binary) Heavyweight (~500MB+ for full Conda)
Best Use Case Python dev, apps, fast installs, reproducible projects Scientific computing, mixed language environments

🏁 Summary: Which One to Use?

  • Use uv if:

    • You want blazing fast dependency management for Python-only projects.

    • You prefer modern tooling (like pyproject.toml).

    • You want something lightweight and dev-focused.

  • Use conda if:

    • You need non-Python packages (like R, C/C++ libs).

    • You work with data science or machine learning stacks.

    • You rely on binary distributions or platform-specific builds.