compare
Flask vs Sanic
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Flask | Sanic |
|---|---|---|
| Language | Python | Python |
| Licence | BSD-3-Clause | MIT |
| Stars | 75k | 19k |
| Latest | 3.1.3 | v25.12.1 |
| Last push | 2026-09-08 | 2026-07-29 |
| Release cadence | about 182 days between releases | about 120 days between releases |
| Active contributors | 3 commit authors on the default branch in the last 90 days | 0 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Sanic replaces Flask. Alternatives to Flask →
Full replacementFlask-like routing and blueprints, async, on its own production server.
Flask
- 3.1.32026-02-19This is the Flask 3.1.3 security fix release, which fixes a security issue but does not otherwise change behavior and s…
- 3.1.22025-08-19This is the Flask 3.1.2 fix release, which fixes bugs but does not otherwise change behavior and should not result in b…
- 3.1.12025-05-13This is the Flask 3.1.1 fix release, which fixes bugs but does not otherwise change behavior and should not result in b…
- 3.1.02024-11-13This is the Flask 3.1.0 feature release. A feature release may include new features, remove previously deprecated code,…
- 3.0.32024-04-07This is a fix release for the 3.0.x feature branch.
Flask
✓ signed The latest release, 3.1.3, carries a signature GitHub verified.
Loading the security report
Sanic
✓ signed The latest release, v25.12.1, carries a signature GitHub verified.
Loading the security report