AI for Developers
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Best LM Studio alternatives

4 tools developers use instead of LM Studio, ranked by popularity. 4 offer a free plan and 4 are open source. Updated October 2026.

Free Open source Showing 1–4 of 4
  1. Ollama logo

    Ollama

    Free Open source

    The default way to run open-weight LLMs locally: a single command pulls and runs a model like Llama, DeepSeek, or Qwen on your own machine, with an OpenAI-compatible API.

  2. llama.cpp logo

    llama.cpp

    Free Open source

    C/C++ LLM inference engine and GGUF format that runs quantized models efficiently on CPUs, Apple Silicon and GPUs, with an OpenAI-compatible server.

  3. vLLM logo

    vLLM

    Free Open source

    Open-source, high-throughput inference engine for serving LLMs at scale, using PagedAttention to significantly cut memory waste and boost GPU utilization.

  4. SGLang logo

    SGLang

    Free Open source

    High-performance open-source serving framework for LLMs and multimodal models, with RadixAttention prefix caching and structured output support.