Fact · Speech recognition
80MB
In 2019 Google moved Gboard voice typing onto the phone with an 80 MB speech recognizer that works even when the phone is offline, first on Pixel phones in American English.
Checked against its source on October 16, 2026
In the source's own words
“the new recognizer is always available, even when you are offline ... After compression, the final model is 80MB. Our new all-neural, on-device Gboard speech recognizer is initially being launched to all Pixel phones in American English only.”
An All-Neural On-Device Speech Recognizer, Johan Schalkwyk, Google Research Blog, 2019, Introduction and Offline Recognition section.
Open the original- What it measures
- Before this, Gboard sent audio to Google's servers for recognition.
- What it does not show
- Describes the 2019 launch. Language and device coverage has grown since, and model sizes have changed.
Source
Used to calculate
- Google's pre-2019 server speech graph, almost 2 GB, was about 25 times the size of the 80 MB on-device Gboard model it moved to the phone.
- Google's 2019 server-side search graph was about 25 times the size of the on-device Gboard model it announced in the same post.
- In 2019, Google's older server search graph was no more than 25 times the size of the on-device Gboard speech recognizer.
Cited on
- Dictation Software: How to Choose the Right AppTopic
- Dictation and Voice to Text on iPhone and AndroidTopic
- Speech Recognition: What It Is and How Well It WorksTopic
- Speech to Text Privacy: Where Your Voice GoesTopic
- Dictation Languages: What Each App and Device SupportsGuide
- Google Docs Voice Typing: How to Use It and Its LimitsGuide
- How Speech Recognition Works, From Sound to TextGuide
- Is Voice to Text Safe? How to Dictate PrivatelyGuide
- What Is Dictation Software? Types and How It WorksGuide
- What Is Dictation? Voice Typing and Talk to Text ExplainedGuide
- Is Speech to Text AI? What Kind of AI Voice Typing UsesGuide
- How to Dictate Into Any App: Built-in vs System-WideGuide
- Voice Typing on Android: How to Use Talk to TextGuide
- Talk to Text on Samsung Galaxy: How to Use ItGuide
- Voice Typing Not Working on Android: How to Fix ItGuide
- Best Dictation Apps for iPhone and AndroidGuide
- Speech Recognition Models: How Neural ASR WorksGuide
- Voice Typing in WhatsApp and Messaging AppsGuide
- Dictation Languages on iPhone and AndroidGuide
- On-Device vs Cloud Speech Recognition: The TradeoffsGuide
- Offline Voice Typing on iPhone and AndroidGuide
- History of Speech Recognition: From Audrey to WhisperGuide
- Does Google have a voice to text app?Question
- Does Google voice typing use AI?Question