Seeduplex

Seeduplex

ByteDance
+
+

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About

FluidVoice is a free, open source macOS dictation app that pairs local speech recognition with Fluid-1, an on-device AI model for polishing dictation. One hotkey lets users speak into any text field across email, documents, chat, terminals, code editors, and other apps, with text appearing in near real time. Local speech models keep dictation on-device and work offline, while optional AI post-processing can use Fluid Intelligence, OpenAI, Groq, or custom providers. Fluid-1 cleans up rough dictation, fixes formatting, capitalization, dates, names, and numbers, and adapts tone to the active app without changing the speaker’s meaning. Users can create custom prompts for different apps, while Write Mode, Command Mode, and Direct Dictation make it easy to switch contexts. FluidVoice supports more than 40 languages across models including Nemotron Speech 3.5, Parakeet Flash, Parakeet TDT v2 and v3, Cohere Transcribe, Apple Speech, and Whisper.

About

Seeduplex is a native full-duplex speech large language model built on a new “listen while speaking” framework for more natural, fluid, and precisely paced voice interaction. Unlike traditional half-duplex systems that alternate between listening and replying, it continuously receives and understands user-side audio, allowing it to listen and speak simultaneously while tracking the broader acoustic environment. Its high-precision interference suppression distinguishes genuine user interaction from background noise, broadcasts, navigation prompts, side conversations, and overlapping voices, reducing false responses and false interruptions in complex settings. Seeduplex also combines speech and semantic features for adaptive endpoint detection, helping it recognize when a user is thinking, hesitating, correcting themselves, or has actually finished speaking. It can wait patiently through reflective pauses, respond quickly once an utterance ends, and stop smoothly when interrupted.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Mac users wanting fast, private voice-to-text dictation with on-device AI that automatically formats and cleans up spoken input

Audience

Voice AI developers seeking full-duplex conversational speech that continuously listens, handles interruptions, suppresses interference, and responds naturally in real time

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

ALTIC
Founded: 2025
United States
altic.dev/fluid

Company Information

ByteDance
Founded: 2012
China
seed.bytedance.com/en/seeduplex

Alternatives

Alternatives

Aiko

Aiko

Sindre Sorhus
StepAudio 3

StepAudio 3

StepFun
GPT-Live

GPT-Live

OpenAI
GPT-Live-1

GPT-Live-1

OpenAI

Categories

Categories

Integrations

Apple Notes
Cohere
GitHub
Google Chrome
Groq
Model Context Protocol (MCP)
NVIDIA Nemotron
NVIDIA Parakeet
Notion
OpenAI
OpenAI Whisper
Slack
Visual Studio Code

Integrations

Apple Notes
Cohere
GitHub
Google Chrome
Groq
Model Context Protocol (MCP)
NVIDIA Nemotron
NVIDIA Parakeet
Notion
OpenAI
OpenAI Whisper
Slack
Visual Studio Code
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