Google Assistant costs $15/mo.
These cost $0.
2 free alternatives to Google Assistant, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
The top-rated free, open-source replacement for Google Assistant is Home Assistant (Open Source Open Source). Across this category, 2 self-hostable tools are available (including Home Assistant and Gladys Assistant). Switching a 5-person team saves up to $900/year compared to Google Assistant's $15/mo subscription.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Google Assistant.
Google Assistant vs Free Alternatives
Quick side-by-side comparison · $0/mo vs $15/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| Home Assistant | open source | Open Source | Self-host | ★ 92k | Google Assistant vs Home Assistant → |
| Gladys Assistant | open source | Open Source | Self-host | ★ 3.3k | Google Assistant vs Gladys Assistant → |
The picks
2 open source · ranked by fit
- 01
Home Assistant
open sourceOpen SourceSelf-host92knov 2026Open source home automation platform supporting 1000+ devices with local control, powerful automations, custom dashboards, and voice assistant. No cloud required.
The catch vs Google AssistantRequires self-hosting setup, updates, and server maintenance compared to managed Google Assistant.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/home-assistant/core or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 02
Gladys Assistant
open sourceOpen SourceSelf-host3.3knov 2026Privacy-first home automation platform that runs locally on your hardware, supports Zigbee, Matter, and MQTT, and lets you automate your home without coding.
The catch vs Google AssistantRequires self-hosting setup, updates, and server maintenance compared to managed Google Assistant.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/gladysassistant/gladys or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
Google Assistant Head-to-Head Comparisons (2027)
Side-by-side trade-off breakdowns · 2 free alternatives
Frequently Asked Questions
Direct answers · Google Assistant open-source replacements
What is the best free alternative to Google Assistant?+
The top free alternative to Google Assistant is Home Assistant (open source, Open Source). Open source home automation platform supporting 1000+ devices with local control, powerful automations, custom dashboards, and voice assistant. No cloud required. Other popular Google Assistant replacements include Gladys Assistant.
Can I self-host a free replacement for Google Assistant?+
Yes. Of the 2 free alternatives to Google Assistant, 2 can be self-hosted on your own server or local machine: Home Assistant (Open Source), Gladys Assistant (Open Source).
How much does switching from Google Assistant to a free alternative save?+
Google Assistant starts at $15/month per seat ($180/year). Switching a 5-person team to a free alternative like Home Assistant saves $900 per year in software subscription fees.
Should I vibe-code or build my own Google Assistant clone from scratch?+
Our build verdict for Google Assistant is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for Google Assistant or rebuilding it from scratch, deploy one of the 2 battle-tested open-source alternatives like Home Assistant.
What is the catch when switching from Google Assistant to Home Assistant?+
Requires self-hosting setup, updates, and server maintenance compared to managed Google Assistant.
