Fact · Voice and AI
8seconds
Home Assistant's documentation says Whisper takes around 8 seconds to process a voice command on a Raspberry Pi 4 and under a second on an Intel NUC.
Checked against its source on October 16, 2026
In the source's own words
“On a Raspberry Pi 4, it takes around 8 seconds to process incoming voice commands. On an Intel NUC, it is done in under a second.”
Installing a local Assist pipeline, Home Assistant project, Home Assistant, 2026, Whisper.
Open the original- What it measures
- Home Assistant offers Whisper for open-ended speech and Speech-to-Phrase for a fixed set of commands.
- What it does not show
- Project-reported figures for short commands. Other models and hardware will differ.
Source
Used to calculate
Cited on
- Speech to Text AI: Dictation, Assistants and Voice AgentsTopic
- AI Dictation: How AI Voice Typing WorksGuide
- Home Assistant Voice: Speech to Text and Voice CommandsGuide
- On-Device vs Cloud Speech Recognition: The TradeoffsGuide
- Can you run speech recognition on a Raspberry Pi?Question
- Can you run voice recognition software on a Raspberry Pi?Question
- How do you use Whisper for speech to text in Home Assistant?Question
- What is the best speech to text for Home Assistant?Question