Dia

概述

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. Users can customize AI behaviors with skills and personalize how the assistant responds. Atlassian acquired The Browser Company in 2025; Dia is free with a paid subscription for heavy AI usage.

主要功能

• Chat with one or many open tabs as context
• Inline writing help that adopts the user's tone
• Custom skills to personalize AI behaviors
• Built on Chromium with familiar browsing basics

适用场景

• Summarizing and comparing content across tabs
• Drafting emails and posts from browsed material
• Researching purchases with page-aware AI answers

定价

Dia is free to use, with a Pro subscription for unlimited AI chats and skills.

常见问题

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?

Dia is free for everyday use; heavy AI usage requires the paid Pro plan.

同类产品

• Apple Intelligence — 苹果的端侧个人智能系统，内置于 iPhone、iPad、Mac 及其他苹果产品，提供写作工具、图像功能以及能力更强的 Siri。
• Character.AI — 与用户创建的 AI 角色和人物聊天的平台。
• ChatGLM — 智谱 AI 推出的对话式助手（智谱清言），基于 GLM 模型系列。
• ChatGPT — OpenAI 的对话式 AI 助手，当前由 GPT-6 Astra 模型系列驱动，提供聊天、编程、智能体与多模态功能。
• ChatGPT Atlas — OpenAI 推出的内置 ChatGPT 的浏览器，可总结页面、回答问题，并以智能体模式完成任务。
• Claude — 来自 Anthropic 的 AI 助手，追求有用、无害、诚实的对话，并由 Claude Fable 与 Mythos 5.1 模型系列提供长文档推理与编程能力。

查看Dia的全部替代品 → · 查看全部AI 助手产品 →

来源

• Official website ↗
• CNBC: Atlassian agrees to acquire The Browser Co. for $610 million ↗

本记录最近复核于 2026-07-30。

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