Whisperstream

Whisperstream

Lanreal Technologies Inc.
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About

Portable Computer is a local-first version of Perplexity Computer that runs entirely on your own machine, keeping private data on-device while still supporting complex agentic workflows. Built with NVIDIA, it runs the orchestrator, planner, tool router, scheduler, durable task queue, local search index, and AI models locally, so it can analyze data, synthesize files, search documents and code, take actions on the device, and keep long-running jobs active without relying on the cloud. It runs on NVIDIA DGX Spark with Qwen 3.8 27B or PPLX 27B, with NVIDIA Nemotron 3.5 Lightning coming to the model picker. It is trained to complete as much of each task locally as possible and can escalate only the steps that need current information, browser access, connected apps, or frontier reasoning. When a task needs to send content from the device to a cloud service, Portable Computer asks for permission before proceeding.

About

Whisperstream is Windows-native dictation that runs on your PC. Press a hotkey, speak, and your words are cleaned up, formatted for the app you're in, and pasted into the focused window: your IDE, email, notes, or chat. Audio never leaves your device, because transcription runs locally on your CPU (NVIDIA Parakeet and Qwen3 ASR, 39 languages). On a supported GPU the AI cleanup runs on-device too, with no API key. It removes filler words and false starts, then formats per app: code in your editor, prose in email, a quick line in chat. Every dictation is saved to a private, encrypted local history you can search and replay, and you can import audio files to transcribe meetings and memos. Works offline. No telemetry, no screen capture. $29 one-time, 7-day unlimited free trial. No subscription, no per-minute fees. Built for privacy-critical professionals, Windows builders, and anyone tired of cloud-tied dictation.

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

Privacy-conscious professionals, developers, and AI users seeking to run complex AI agent workflows locally while keeping sensitive files and data on their own hardware

Audience

Privacy-critical professionals in regulated fields (legal, healthcare, defense, NDA-bound engineering) where cloud dictation fails compliance review and training-data clauses are deal-breakers. Windows builders dictating into Cursor, Claude Code, VS Code, and JetBrains IDEs who don't want code-related speech going to a third-party API. Accessibility and RSI users who need a hotkey-and-speak workflow with no scripting. Writers, academics, and ESL users who think faster than they type and want their speech kept on their own machine.

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

$20 per month
Free Version
Free Trial

Pricing

$29 one time
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:

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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

Perplexity
Founded: 2022
United States
www.perplexity.ai/hub/products/portable-computer

Company Information

Lanreal Technologies Inc.
Founded: 2026
Canada
whisperstream.io

Alternatives

Alternatives

Nemotron 3

Nemotron 3

NVIDIA

Categories

Categories

Integrations

Asana
Dropbox
GitHub
Gmail
Google Drive
Jira
Linear
Microsoft Excel
Microsoft OneDrive
Microsoft Teams
Nemotron 3.5 Lightning
Notion
Perplexity Search API
Slack
Snowflake

Integrations

Asana
Dropbox
GitHub
Gmail
Google Drive
Jira
Linear
Microsoft Excel
Microsoft OneDrive
Microsoft Teams
Nemotron 3.5 Lightning
Notion
Perplexity Search API
Slack
Snowflake
Claim Portable Computer by Perplexity and update features and information
Claim Portable Computer by Perplexity and update features and information
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