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HHVM

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HHVM compiles Hack into intermediate bytecode, which is then translated into x64 machine code dynamically at runtime by a JIT compiler. The project states it is updated frequently and asks users to open issues if they find regressions in the typechecker or runtime.

12 alternatives to HHVM

Ranked by how well each tool replaces HHVM: shared features, audience, price and popularity.

  1. Julia

    The Julia Programming Language

    Covers 1 of 6 key features and has a free plan.

    Free planOpen source
    55 out of 100 matchFree

  2. Elixir

    The Elixir programming language.

    Covers 1 of 6 key features.

    Open source
    53 out of 100 match—

  3. Hack

    A programming language developed by Meta, built for HHVM.

    Covers 1 of 6 key features.

    Open source
    52 out of 100 match—

  4. Replicate

    Cloud platform for running open-source machine learning models via API

    Covers 1 of 6 key features and has a free plan.

    Free planOpen source
    50 out of 100 matchUsage-based

  5. LocalAI

    Make AI run on every machine

    Covers 1 of 6 key features.

    Open source
    48 out of 100 match—

  6. Google Research

    Explore Our Latest Research in Science and AI.

    Covers 1 of 6 key features and has a free plan.

    Free plan
    48 out of 100 matchFree

  7. LocalScore

    Local AI Benchmark

    Covers 1 of 6 key features and has a free plan.

    Free planOpen source
    47 out of 100 matchFree

  8. SageMath

    Free and open-source mathematical software system

    Covers 1 of 6 key features and has a free plan.

    Free planOpen source
    47 out of 100 matchContact sales

  9. Liquid AI

    Run efficient foundation models directly on edge devices.

    Covers 1 of 6 key features and has a free plan.

    Free planOpen source
    46 out of 100 matchFree

  10. Mozilla.ai

    Open, transparent AI for real world impact. Built for developers, creators, and teams.

    Covers 1 of 6 key features.

    Open source
    45 out of 100 match—

  11. Model Context Protocol (MCP)

    An open-source standard for connecting AI applications to external systems

    Covers 1 of 6 key features.

    Open source
    45 out of 100 match—

  12. Pydantic

    End-to-end AI engineering stack for data validation and agents

    Covers 1 of 6 key features and has a free plan.

    Free planOpen source
    45 out of 100 match$49/mo