NVlabs

    NVlabs/alpasim

    AlpaSim is an open-source autonomous vehicle simulation platform designed for development and testing of end-to-end AV policies

    testing
    autonomous-driving
    autonomous-vehicles
    av-simulation
    closed-loop-simulation
    computer-vision
    Python
    Apache-2.0
    1.3K stars
    163 forks
    1.3K GitHub watchers
    Updated Nov 4, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    No releases in the last 90 days; the most recent was 154 days ago, with 12 contributors on GitHub.

    Use Cases & Benefits

    • Provides a modular, lightweight simulation platform for autonomous vehicle research and testing of end-to-end driving policies in realistic, closed-loop environments.
    • Enables high-fidelity sensor simulation with neural rendering and configurable environmental conditions for accurate algorithm validation and debugging.
    • Use for validating new autonomous driving algorithms under realistic sensor and traffic scenarios before real-world deployment.
    • Use for safety analysis by simulating edge cases and challenging driving conditions to evaluate vehicle behavior and robustness.
    • Use for performance benchmarking and regression testing of different autonomous driving models and configurations in a scalable microservices architecture.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    Apache 2.0

    Permissive: commercial use, modification and redistribution are allowed with attribution; includes an explicit patent grant from contributors.

    Community files

    • README: present
    • Contributing guide: present

    Watch-outs

    No watch-outs from GStars' checks.

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    From the README

    AlpaSim is an open-source autonomous vehicle simulation platform designed specifically for research and development. It allows users to test end-to-end AV policies in a closed-loop setting by simulating realistic sensor data, vehicle dynamics, and traffic scenarios within a modular and extensible testbed.

    Excerpt from the NVlabs/alpasim README on GitHub (Apache-2.0 license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Forks

    163+18

    Open issues

    21+0

    Compared with peers in Testing

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth

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    D4Vinci/Scrapling98.1K+6.9K651 day ago
    lexmount/moli22.7K+1.2K552 days ago
    tester-army/e2e13.3K+1.0K45today
    keploy/keploy19.5K+56445today
    usebruno/bruno48.2K+2815914 days ago
    NVlabs/alpasim1.3K—29154 days ago
    Category median22.7K+1.0K55—

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