Dia vs Thorium

Dia AI-native browser from The Browser Company that uses language models to assist with browsing tasks, search, and content interaction.

Thorium Performance-optimized Chromium fork compiled with AVX2 and other CPU-specific optimizations for faster browsing.

BrowsersFreeOpen Source

Quick Facts

The Browser CompanyCompany—

2025Year Launched2022

FreePricing ModelFree

NoOpen SourceYes

BrowsersCategoryBrowsers

macOS, Windows, Linux, iOS, Android, WebPlatformsmacOS, Windows, Web

Dia

CompanyThe Browser Company

Year Launched2025

Pricing ModelFree

Open SourceNo

CategoryBrowsers

PlatformsmacOS, Windows, Linux, iOS, Android, Web

Thorium

Company—

Year Launched2022

Pricing ModelFree

Open SourceYes

CategoryBrowsers

PlatformsmacOS, Windows, Web

Dia

Free

Free: $0/Forever

Thorium

Free

Free: $0/one-time

What practitioners say

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Dia

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Thorium

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