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About

DiffusionGemma is an experimental open model that explores text diffusion, an exceptionally fast approach to text generation. Released under an Apache 2.0 license, this 26B Mixture of Experts (MoE) model moves beyond the sequential token-by-token processing of typical autoregressive Large Language Models (LLMs). Instead, it generates entire blocks of text simultaneously, delivering up to 4x faster text generation on GPUs. Built on the intelligence-per-parameter of the Gemma 4 family and Gemini Diffusion research, DiffusionGemma integrates a novel diffusion head designed to maximize generation speed. It is designed for researchers and developers exploring speed-critical, interactive local workflows such as in-line editing, rapid iteration, and non-linear text structures. By shifting the decode bottleneck from memory bandwidth to compute, it can generate more than 1,000 tokens per second on a single NVIDIA H100 and more than 700 tokens per second on an NVIDIA GeForce RTX 5090.

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.

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

Researchers and developers wanting to explore fast local text generation for interactive AI applications, rapid iteration, editing, and other latency-sensitive workflows

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

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

$20 per month
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

Google
Founded: 1998
United States
blog.google/innovation-and-ai/technology/developers-tools/diffusion-gemma-faster-text-generation/

Company Information

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

Alternatives

Mercury 2

Mercury 2

Inception

Alternatives

Gemini Diffusion

Gemini Diffusion

Google DeepMind
Nemotron 3

Nemotron 3

NVIDIA
Mercury Coder

Mercury Coder

Inception Labs
ByteDance Seed

ByteDance Seed

ByteDance

Categories

Categories

Integrations

Asana
Dropbox
Gemini Enterprise Agent Platform
Gemma
GitHub
Gmail
Google Drive
Jira
Linear
Microsoft Excel
Microsoft OneDrive
Microsoft Teams
NVIDIA NIM
Nemotron 3.5 Lightning
Notion
Perplexity Search API
Slack
Snowflake

Integrations

Asana
Dropbox
Gemini Enterprise Agent Platform
Gemma
GitHub
Gmail
Google Drive
Jira
Linear
Microsoft Excel
Microsoft OneDrive
Microsoft Teams
NVIDIA NIM
Nemotron 3.5 Lightning
Notion
Perplexity Search API
Slack
Snowflake
Claim DiffusionGemma and update features and information
Claim DiffusionGemma and update features and information
Claim Portable Computer by Perplexity and update features and information
Claim Portable Computer by Perplexity and update features and information