langflowvssimon
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| langflow | simon | |
|---|---|---|
| Score | 90/100 | 46/100 |
| Rank in category | #2 of 209 in AI Agents | #74 of 104 in Monitoring & observability |
| GitHub stars | 156 121 | 161 |
| Stars, last 30 days | +899 | +0 |
| Stable releases, 12 months | 20 | 9 |
| Latest release | v1.12.8 · 21 Oct 2026 | 0.3.7 · 18 Oct 2026 |
| Setup | Moderate | Easy |
| Official Docker image | Yes | Yes |
| License | MIT | MIT |
| Main language | Python | Rust |
Which one should you pick?
langflow scores 90/100 against 46/100 for simon, so it is the safer default.
langflow ships more often: 20 stable releases in the past year, against 9 for simon.
If you want the quickest setup, simon is easier to run; langflow needs more configuration.
langflow is growing faster right now (+899 stars in 30 days).
langflow details →simon details →
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