Tool profile · updated
Prospero
Prospero is ranked #9 of 9 for run models locally on AI Tool Podium.
Our verdict
Native desktop coding harness from Chris Wellons for Windows, macOS and Linux that drives your computer through any OpenAI-compatible or Anthropic API, including llama.cpp and vLLM. Free Community Edition on GitHub; $25 Professional Edition adds remote headless engines. Very new and you configure providers yourself.
Prospero fact sheet
Checked
- What it does
- A native GUI coding harness for Windows, macOS and Linux, written in C++ as a single executable. It connects to an AI model provider, local or remote, and lets agents drive your computer to develop software. The same executable can also run headless over SSH.Source: skeeto.itch.io/prospero · checked
- Pricing
- Community Edition is free on GitHub, with no built-in headless engines and a small nag text. Professional Edition is $25 or more on itch.io, a DRM-free download with free updates and remote deployment engines built in.Source: skeeto.itch.io/prospero · checked
- Open source and license
- Open source under the Unlicense.Source: github.com/skeeto/prospero · checked
- Key features
- Speaks the OpenAI Chat Completions API (llama.cpp, vLLM, LiteLLM and compatible providers) and Anthropic's Messages API
- No providers configured out of the box
- Desktop control features for developing and testing GUI apps and games
- Version 0.11.0 released November 2, 2026 (UTC)
Facts come from Prospero's own site, docs or code repository, as publicly stated on the date shown. Prices and plans change, so check the source before you buy. Spot something out of date? Tell us.
Alternatives in run models locally
8 more- Gold, rank 1Visit
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- Silver, rank 2Visit
Desktop app to download, chat with and serve local models; very beginner friendly.
- Bronze, rank 3Visit
Self-hosted AI chat interface for Ollama and any OpenAI-compatible model; free, with an enterprise plan.
- Rank 4VisitAnythingLLManythingllm.com
Free private AI assistant that runs on your device with RAG and agents; cloud hosting from $50 a month.
- Rank 5VisitJanjan.ai
Open-source, offline ChatGPT-style desktop app for local models.
- Rank 6Visitllama.cppgithub.com
The fast open-source inference engine many local tools build on.
- Rank 7VisitLocal Codegetlocalcode.app
Draw Things' free, open-source (GPL-3.0) agent app for Mac, iPad and iPhone that runs Qwen and DeepSeek models on device, with Python, Node.js and a shell built in and sandboxed. Works offline. Big models need a lot of RAM and disk, and it is Apple only.
- Rank 8VisitLlama appllama.app
Free, open-source menu bar and tray app from the llama.cpp team and Hugging Face. One click downloads a recommended model and serves it on a local OpenAI- and Anthropic-compatible API. The easiest way to use llama.cpp without a terminal.
Related comparisons
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Frequently asked
What is Prospero?
Native desktop coding harness from Chris Wellons for Windows, macOS and Linux that drives your computer through any OpenAI-compatible or Anthropic API, including llama.cpp and vLLM. Free Community Edition on GitHub; $25 Professional Edition adds remote headless engines. Very new and you configure providers yourself.
How much does Prospero cost?
Community Edition is free on GitHub, with no built-in headless engines and a small nag text. Professional Edition is $25 or more on itch.io, a DRM-free download with free updates and remote deployment engines built in. Source: https://skeeto.itch.io/prospero, checked 2026-11-02.
Is Prospero open source?
Open source under the Unlicense. Source: https://github.com/skeeto/prospero, checked 2026-11-02.
Where does Prospero rank?
Prospero is ranked #9 of 9 for run models locally on AI Tool Podium. Ranking last updated 2026-11-10.
What are the alternatives to Prospero?
Other tools in our run models locally ranking: Ollama, LM Studio, Open WebUI, AnythingLLM, Jan, llama.cpp, Local Code, Llama app.
Where is the official Prospero website?
The official site is https://github.com/skeeto/prospero
Is this your tool?
Build Prospero? Keep this page accurate
If anything on this page is out of date, send us a correction. It is free. We check every change against an official source before we publish it. Paid options below are optional and never change where Prospero ranks.
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