Dia Browser vs Poly

One subscription, many AI models — chat, search, analyze files and links

Free / Open-sourceProvides an open-source desktop AI workforce for browser and terminal tasks, though less polished as a daily web browser.

Combines local LLMs with web automation inside a private browser, though lacking Dia's native workspace integration.

Your files, notes and meetings in one drive — with an AI that knows all of it.

SpecialistOperates as a browser extension rather than a dedicated AI browser, excelling at page summarization and writing.

Integrates multi-model AI assistants for research automation, though with a different interface and navigation paradigm.

Provides an AI companion for page summarization and natural-language search within macOS, though in early alpha.

Prioritizes built-in privacy and security alongside an on-device AI assistant, but less focused on cross-app synthesis.

A Chromium-based AI browser that runs long internet tasks for you

SpecialistActs as an AI search engine delivering conversational research summaries, rather than a full tab-synthesizing desktop browser.

An AI file assistant that organizes and answers questions across your team's documents

Leverages open tab context for multi-model chat and agent tasks, but focuses more heavily on automated execution.