--- title: "willow vs py-gpt" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/heywillow-willow-vs-szczyglis-dev-py-gpt" tools: ["heywillow-willow", "szczyglis-dev-py-gpt"] --- # willow vs py-gpt *GraphCanon updated Aug 14, 2026* ## Verdict Pick willow if willow stands out with its emphasis on privacy through local self-hosting, offering a DIY alternative to commercial voice assistants like Amazon Echo and Google Home; pick py-gpt if pyGPT is a versatile desktop AI assistant that integrates multiple large language models and offers extensive capabilities ranging from chat support to speech synthesis and image generation. [willow](https://heywillow.org/) reports 3.1k GitHub stars, 124 forks, and 24 open issues, last pushed Jul 25, 2026. [py-gpt](https://pygpt.net) has 1.9k stars, 334 forks, and 54 open issues, last pushed Aug 13, 2026. Figures are from public GitHub metadata via [willow's repository](https://github.com/HeyWillow/willow) and [py-gpt's repository](https://github.com/szczyglis-dev/py-gpt). | | [willow](/tools/heywillow-willow.md) | [py-gpt](/tools/szczyglis-dev-py-gpt.md) | | --- | --- | --- | | Tagline | Open source local self-hosted voice assistant alternative to Amazon Echo and Google Home | Desktop AI Assistant powered by multiple LLMs and various functionalities | | Stars | 3,084 | 1,880 | | Forks | 124 | 334 | | Open issues | 24 | 54 | | Language | C | Python | | Adopt for | Willow stands out with its emphasis on privacy through local self-hosting, offering a DIY alternative to commercial voice assistants like Amazon Echo and Google Home. | PyGPT is a versatile desktop AI assistant that integrates multiple large language models and offers extensive capabilities ranging from chat support to speech synthesis and image generation. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Other | | Categories | Inference & Serving, Speech & Audio | AI Agents, Computer Vision, Data & Retrieval, Evaluation & Observability, Inference & Serving, Model Training, Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [willow](/tools/heywillow-willow.md) | [py-gpt](/tools/szczyglis-dev-py-gpt.md) | | --- | --- | --- | | Days since push | 4d | 0d | | Open issues (now) | 24 | 54 | | Owner type | Organization | User | | Full report | [trust report](/tools/heywillow-willow/trust.md) | [trust report](/tools/szczyglis-dev-py-gpt/trust.md) | ## Decision facts: willow - **Adopt for:** Willow stands out with its emphasis on privacy through local self-hosting, offering a DIY alternative to commercial voice assistants like Amazon Echo and Google Home. ## Decision facts: py-gpt - **Requirements:** PyGPT can operate with a local model (Llama3) without an internet connection or OpenAI API key.; Operating PyGPT may be computationally intensive based on the specific plugins and integrations used. - **Adopt for:** PyGPT is a versatile desktop AI assistant that integrates multiple large language models and offers extensive capabilities ranging from chat support to speech synthesis and image generation. ## Choose when ### Choose willow if… - willow is primarily C; py-gpt is Python. - License: willow is Apache-2.0, py-gpt is Other. - Tags unique to willow: alexa, deep-learning, echo, esp-adf. - willow ships Docker support for self-hosted deployment. - Prefer Willow when aiming for maximum control over data and hardware used in home automation projects ### Choose py-gpt if… - py-gpt is primarily Python; willow is C. - License: py-gpt is Other, willow is Apache-2.0. - Requirements: PyGPT can operate with a local model (Llama3) without an internet connection or OpenAI API key.; Operating PyGPT may be computationally intensive based on the specific plugins and integrations used.. - Tags unique to py-gpt: ai-assistant, autonomous-agent, chatbot, custom-plugins. - Also covers AI Agents, Computer Vision, Data & Retrieval, Evaluation & Observability, Model Training. - You need an integrated tool for multitasking with AI capabilities such as voice, vision, and text interactions. ## When NOT to use willow - Avoid Willow if real-time connectivity to cloud-based services is required or desired - Not suitable for those seeking a plug-and-play solution without the need for self-hosting infrastructure ## When NOT to use py-gpt - Your environment lacks consistent internet connectivity since PyGPT relies on it for API connections with some of its models like GPT-5, GPT-4. - The project requires a proprietary model that is not supported or easily integrated without significant development efforts into PyGPT's framework. - You cannot obtain an OpenAI API key, which is needed to utilize certain language models like Claude and Gemini included in the tool. ## Common questions ### What is the difference between willow and py-gpt? willow: Open source local self-hosted voice assistant alternative to Amazon Echo and Google Home. py-gpt: Desktop AI Assistant powered by multiple LLMs and various functionalities. See the comparison table for live GitHub stats and shared categories. ### When should I choose willow over py-gpt? Choose willow over py-gpt when willow is primarily C; py-gpt is Python; License: willow is Apache-2.0, py-gpt is Other; Tags unique to willow: alexa, deep-learning, echo, esp-adf; willow ships Docker support for self-hosted deployment; Prefer Willow when aiming for maximum control over data and hardware used in home automation projects. ### When should I choose py-gpt over willow? Choose py-gpt over willow when py-gpt is primarily Python; willow is C; License: py-gpt is Other, willow is Apache-2.0; Requirements: PyGPT can operate with a local model (Llama3) without an internet connection or OpenAI API key.; Operating PyGPT may be computationally intensive based on the specific plugins and integrations used.; Tags unique to py-gpt: ai-assistant, autonomous-agent, chatbot, custom-plugins; Also covers AI Agents, Computer Vision, Data & Retrieval, Evaluation & Observability, Model Training; You need an integrated tool for multitasking with AI capabilities such as voice, vision, and text interactions. ### When should I avoid willow? Avoid Willow if real-time connectivity to cloud-based services is required or desired Not suitable for those seeking a plug-and-play solution without the need for self-hosting infrastructure ### When should I avoid py-gpt? Your environment lacks consistent internet connectivity since PyGPT relies on it for API connections with some of its models like GPT-5, GPT-4. The project requires a proprietary model that is not supported or easily integrated without significant development efforts into PyGPT's framework. You cannot obtain an OpenAI API key, which is needed to utilize certain language models like Claude and Gemini included in the tool. ### Is willow or py-gpt more popular on GitHub? willow has more GitHub stars (3,084 vs 1,880). Stars measure visibility, not whether either tool fits your constraints. ### Are willow and py-gpt open source? Yes - both are open-source projects on GitHub (willow: Apache-2.0, py-gpt: Other). ### Where can I find alternatives to willow or py-gpt? GraphCanon lists graph-backed alternatives at [willow alternatives](/tools/heywillow-willow/alternatives) and [py-gpt alternatives](/tools/szczyglis-dev-py-gpt/alternatives) ([willow markdown twin](/tools/heywillow-willow/alternatives.md), [py-gpt markdown twin](/tools/szczyglis-dev-py-gpt/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/heywillow-willow-vs-szczyglis-dev-py-gpt.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, willow or py-gpt? willow: Very active. py-gpt: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for willow and py-gpt? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [willow trust report](/tools/heywillow-willow/trust); [py-gpt trust report](/tools/szczyglis-dev-py-gpt/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=heywillow-willow`](/api/graphcanon/graph?tool=heywillow-willow) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_