Fact · Speech recognition
300MB of memory at runtime
Vosk says a small model is around 50 MB on disk and needs about 300 MB of memory while it runs.
Checked against its source on October 17, 2026
In the source's own words
“Small model typically is around 50Mb in size and requires about 300Mb of memory in runtime.”
Vosk models (Alpha Cephei), Alpha Cephei, 2026, Models section, first paragraph.
Open the original- What it measures
- The Vosk project's guidance on its two model sizes, for mobile applications and Raspberry Pi boards.
- What it does not show
- A typical figure the project gives for small models, not a measured value for every device or language.