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You talk, Sumi types — but not what you actually said. It cleans up filler words and grammar, then adjusts tone for whatever app you're in. Gmail gets a professional version, Slack gets something short. Meeting mode records calls in the background. Edit by voice: select text, say what to change. 100+ languages. Runs on your machine. Free, GPLv3. macOS + Windows.
SumiTalk naturally, get clean text. Local AI, free, open source.
Yu Lun Hsuleft a comment
I'm a developer in Taiwan. I built Sumi because I run multiple Claude Code agents in parallel and typing instructions all day was the actual bottleneck. macOS dictation just types what you say, filler words and all. The paid alternatives charge $10-15/month and send audio to the cloud. The feature I use most is the context-aware polish. I say something sloppy and it comes out clean, with the...
SumiTalk naturally, get clean text. Local AI, free, open source.