head to head · open source
Home Assistant vs parlant
Home Assistant has 90,654 GitHub stars, 38,685 forks, 3,527 open issues and last shipped yesterday. parlant has 18,290 stars, 1,555 forks, 41 open issues and last shipped 2 months ago. Home Assistant leads on adoption by 396% (90,654 vs 18,290 stars). Home Assistant is written in Python under Apache-2.0; parlant is written in Python under Apache-2.0. Home Assistant has attracted 43% as many forks as stars, parlant 9%. Home Assistant was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (hacktoberfest, python), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Home Assistant | parlant | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 18K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-09-17 | 2026-07-12 |
| Forks | ⑂ 39K | ⑂ 1.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Home Assistant if
- You weight community size — 91K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick parlant if
- You want the parlant feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and parlant fits your workflow better
About Home Assistant
Home Assistant is an open source home automation platform that runs locally on devices such as Raspberry Pi or a personal server. It enables users to control and automate smart home devices—including lights, thermostats, locks, and sensors—without relying on cloud services. Built in Python with an asyncio event loop, it emphasizes local processing and data sovereignty, ensuring all device data remains under the user’s control.
read the full Home Assistant overview →
About parlant
Parlant is a Python project licensed under Apache 2.0, and it presents itself as an interaction control harness for customer facing AI agents. It lives in the open source large language model ecosystem, with topic tags for ai agents, llm, openai, gemini, llama3, genai, python, customer service, customer success, and ai alignment. The README describes a server based Python SDK for creating agents, observations, and guidelines.
read the full parlant overview →
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Frequently asked questions
Is Home Assistant or parlant more popular?
Home Assistant has 90,654 GitHub stars and parlant has 18,290. Home Assistant has the larger community by that measure.
Are Home Assistant and parlant free?
Both are open source. Home Assistant is licensed under Apache-2.0 and parlant under Apache-2.0. Neither carries a licence fee.
What is the difference between Home Assistant and parlant?
Home Assistant is written in Python and parlant in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Home Assistant or parlant?
Choose Home Assistant if you want the larger community (90,654 stars) or its Apache-2.0 licence terms. Choose parlant if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.