compare
ComfyUI vs SwarmUI
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | ComfyUI | SwarmUI |
|---|---|---|
| Language | Python | C# |
| Licence | GPL-3.0 | MIT |
| Stars | 136k | 4.6k |
| Latest | v0.39.0 | 0.9.8-Beta |
| Last push | 2026-10-06 | 2026-10-01 |
| Release cadence | about 6 days between releases | about 103 days between releases |
| Active contributors | 49+ commit authors on the default branch in the last 90 days | 6 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Midjourney. Alternatives to Midjourney →
PartialComfyUIRuns open diffusion models on your own GPU through a node graph; Midjourney's own models are not available.
PartialSwarmUIA web UI for local diffusion models, with ComfyUI as its backend; Midjourney models are not available.
ComfyUI
- v0.39.02026-10-05Support LynnReal light Minimax-H3 vae
- v0.38.02026-09-29Improve qwen 2.1 KV cache location logic
- v0.37.02026-09-21Aimdo 0.5.5 + Auto-detect and enable --fast-disk when the disk is fast (CORE-440)
- v0.36.02026-09-15Add new model blueprints and reorganize subgraph categories
- v0.35.02026-09-09[Partner Nodes] chore(Google): drop retiring Veo 2 and Veo 3.0 models
SwarmUI
- 0.9.8-Beta2026-02-06Reddit thread for this release:
- 0.9.7-Beta2025-08-25Reddit thread for this release:
- 0.9.6-Beta2025-04-15Reddit thread for this release:
- 0.9.5-Beta2025-01-31Reddit thread for this release:
- 0.9.4.0-Beta2024-12-060.9.4-Beta
ComfyUI
unsigned The latest release, v0.39.0, carries no signature GitHub could verify.
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SwarmUI
unsigned The latest release, 0.9.8-Beta, carries no signature GitHub could verify.
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