head to head · open source
OpenMQTTGateway vs ha-llmvision
OpenMQTTGateway has 4,096 GitHub stars, 906 forks, 48 open issues and last shipped 6 days ago. ha-llmvision has 1,478 stars, 146 forks, 44 open issues and last shipped 10 days ago. OpenMQTTGateway leads on adoption by 177% (4,096 vs 1,478 stars). OpenMQTTGateway is written in C++ under GPL-3.0; ha-llmvision is written in Python under Apache-2.0. OpenMQTTGateway has attracted 22% as many forks as stars, ha-llmvision 10%. OpenMQTTGateway was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (home-assistant), 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.
← all 20902 open source comparisons
Side by side
| OpenMQTTGateway | ha-llmvision | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 1.5K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | C++ | Python |
| Last push | 2026-09-21 | 2026-09-17 |
| Forks | ⑂ 906 | ⑂ 146 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenMQTTGateway if
- You weight community size — 4.1K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick ha-llmvision if
- You want the ha-llmvision 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 ha-llmvision fits your workflow better
About OpenMQTTGateway
OpenMQTTGateway is an open source C++ gateway firmware for ESP8266 and ESP32 boards that connects local radio and sensor protocols to MQTT. It lives in the home automation ecosystem and is associated with Home Assistant, OpenHAB, NodeRed, and AWS IOT. The project aims to unify various technologies and protocols into a single firmware, reducing the need for multiple physical bridges.
read the full OpenMQTTGateway overview →
About ha-llmvision
LLM Vision is a Home Assistant integration that uses multimodal large language models to analyze images, video files, live camera feeds and Frigate events, built for smart home owners who want their cameras to describe what they see rather than simply report that motion occurred.
read the full ha-llmvision overview →
More in Miscellaneous
Related comparisons
More Internet of Things (IoT) projects
Compare either of these against the rest of the Internet of Things (IoT) field.
Frequently asked questions
Is OpenMQTTGateway or ha-llmvision more popular?
OpenMQTTGateway has 4,096 GitHub stars and ha-llmvision has 1,478. OpenMQTTGateway has the larger community by that measure.
Are OpenMQTTGateway and ha-llmvision free?
Both are open source. OpenMQTTGateway is licensed under GPL-3.0 and ha-llmvision under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenMQTTGateway and ha-llmvision?
OpenMQTTGateway is written in C++ and ha-llmvision 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, OpenMQTTGateway or ha-llmvision?
Choose OpenMQTTGateway if you want the larger community (4,096 stars) or its GPL-3.0 licence terms. Choose ha-llmvision if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.