Dia
by The Browser Company (Atlassian)
At a glance
AI browser from The Browser Company, acquired by Atlassian, with an assistant that chats about and works across open tabs.
ai-browser tab-chat knowledge-work
- Licence
- Not recorded
- Category
- AI Assistants
- Business model
- Freemium
- Availability
- Global
- Launched
- 2025-06
Overview
Dia is an AI-first web browser from The Browser Company, the maker of Arc, with an assistant that chats about open tabs and helps write, plan, and shop using page context. Atlassian acquired The Browser Company in 2025; the browser itself is free, while AI features require a paid plan with monthly usage limits.
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Key features
- Chat with one or many open tabs as context
- Inline writing help that adopts the user's tone
- Chat that draws context from connected tools
- Built on Chromium with familiar browsing basics
Use cases
- Summarizing and comparing content across tabs
- Drafting emails and posts from browsed material
- Researching purchases with page-aware AI answers
Pricing
Dia's browser is free but includes no AI features; the paid Better Answers and Better Days plans add AI with monthly usage limits.
Record details
Provenance, dates and links are kept here so the main sections stay about the product itself.
Links, dates and provenance
- Record updated
- 2026-10-09
- Founded
- 2019
- Headquarters
- US
- Canonical URL
- https://globalaiproductindex.com/products/dia/
Selection profile
Every field says where its value comes from. "Unknown" means we have not confirmed it — it does not mean the product lacks the feature.
Selection profile11 fields4 unknown
- Tasks it fits
- Drafting and editing text
Derived from the record: category "ai-assistants".
Suggest a correction - How you use it
- Browser extension
Derived from record tag matching /^(browser-extension|ai-browser)$/.
Suggest a correction - Runs on
- Windows macOS
Matched on the vendor page: “wser. A better workday. Download Dia for free Available for macOS and Windows Dia reads between the tabs 01 Start your day two steps ahead Before the day kicks in, Dia&#x”
Suggest a correction - Where it runs
- Vendor cloud
Vendor-hosted product; no self-hosted option is recorded.
Suggest a correction - Works offline
- Not recorded
The record contains no offline-operation claim.
Suggest a correction - Official service region
- Global
Mirrors the availability field already on the record ("global").
Suggest a correction - Public API
- Not recorded
The record does not state whether a public API exists.
Suggest a correction - Licence
- proprietary
Commercial product; no source licence is published in the record.
Suggest a correction - Commercial use
- Not recorded
Commercial product; the terms reviewed here do not state a non-commercial restriction, but that was not verified.
Suggest a correction - Interface languages
- Not recorded
No vendor page read in this pass states the product's own interface languages; the key exists so the field can be answered later rather than left absent.
Suggest a correction - Billing
- Subscription Free allowance: Limited Subscription required: No
Prices are the vendor’s advertised entry price and exclude taxes; always confirm on the vendor’s own page.
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Where each value comes from
- Tasks it fits
- Our inference
- How you use it
- Our inference
- Runs on
- Verified 2026-10-09 www.diabrowser.com ↗
- Where it runs
- Our inference
- Works offline
- Our inference
- Official service region
- Our inference
- Public API
- Our inference
- Licence
- Our inference
- Commercial use
- Our inference
- Interface languages
- Unknown
Key facts and their evidence
Each fact lists the conditions it holds under, the page it was read from and the day it was checked.
-
Platform support: windows, macos Verified 2026-10-09 www.diabrowser.com ↗
Applies to: As stated on diabrowser.com on 2026-10-09
Matched on the vendor page: “wser. A better workday. Download Dia for free Available for macOS and Windows Dia reads between the tabs 01 Start your day two steps ahead Before the day kicks in, Dia&#x”
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Frequently asked questions
What is Dia?
Dia is an AI-centric browser from The Browser Company whose assistant works with your open tabs to answer, write, and plan.
Who owns Dia?
The Browser Company, which Atlassian agreed to acquire in 2025, develops Dia.
Is Dia free?
The browser is free without AI features; AI capabilities require a paid plan with monthly usage limits.
Who should not choose Dia?
Anyone who needs a recorded price list or documentation page: neither is recorded, because Dia entered the guide after the vendor-fetch round that filled those fields.
Similar products
- ChatGPT Atlas — Web browser from OpenAI with ChatGPT built in for summarizing pages, answering questions, and completing tasks in an agent mode.
- Comet — AI-powered web browser from Perplexity with a built-in assistant that answers questions and performs tasks across pages.
- Andi — Conversational AI search engine that answers questions and summarizes pages instead of showing ad-driven links.
- Ecosia — Berlin-based search engine that pairs web search with AI overviews, an AI chat, and an option to turn AI off.
- Naver — South Korean search portal whose service includes AI Briefing summaries and the AI Tab conversational search interface.
- Quark — Alibaba's AI search and assistant app, which uses the company's Qwen models and combines web search, AI tools, and cloud storage.
Related guides
Sources
- Official website ↗
- CNBC: Atlassian agrees to acquire The Browser Co. for $610 million ↗
- Dia | The browser for better days at work. ↗
This record was last reviewed on 2026-10-09.
Machine-readable record: /api/products/dia.json · Spot an error? Suggest a correction