Atlassian is buying The Browser Company for $610 million in cash.
The deal gives Atlassian control of Arc and its new AI-driven browser Dia, in a bold move to reimagine how workers interact with the web and their productivity apps.
Key Takeaways
- Atlassian acquires The Browser Company for $610 million cash.
- Deal centers on Dia, an AI-powered browser launched in June 2025.
- Dia integrates chat with tabs, spreadsheets, Gmail, and more.
- Arc will remain but won’t be actively developed.
- Atlassian bets browsers are key to the future of work.
Atlassian is acquiring The Browser Company, creator of Arc and Dia, for $610 million in cash. The deal centers on Dia, a new AI-powered browser that merges web browsing with productivity features. Atlassian plans to run the startup independently but sees Dia as a way to connect its work apps like Jira, Trello, and Confluence.
Atlassian Makes a $610M Bet on the Future of Browsers
Enterprise software giant Atlassian is buying The Browser Company — the New York startup behind Arc and Dia — for $610 million in cash. The acquisition marks one of the boldest bets yet that AI-powered browsers will shape the future of work.
Mike Cannon-Brookes, Atlassian’s co-CEO, has long been a power user of Arc. He frequently sent bug reports and feature requests. Now, he will oversee both Arc and Dia under Atlassian’s umbrella.
Why Atlassian Wants Dia
While Arc helped The Browser Company build a cult following, the deal is really about Dia. Launched in June, Dia blends a traditional web browser with AI chat. Instead of just displaying web pages, it can pull data across tabs, move information between spreadsheets, or summarize your email and calendar in seconds.
For Atlassian — whose products like Jira, Trello, and Confluence already dominate office workflows — Dia represents a chance to stitch everything together. Anything with a URL becomes data that Dia’s AI can use.
The Enterprise Angle
According to CEO Josh Miller, Atlassian employees were already heavy Arc users. But big companies demand strict privacy, management, and security features. The Browser Company struggled to meet those needs on its own.
“The winner of the AI browser space is going to be crowned in the next 12 to 24 months,” Miller said. To survive, Dia needed distribution muscle and scale that only a company like Atlassian could provide.
Arc’s Future in Question
Arc — the company’s original browser — will still exist, but its development has slowed. Miller promised no Atlassian-only integrations or Microsoft Edge-style nudges, but the focus is now clearly on Dia. Reading between the lines, Arc may not have a long future.
Market Reaction and Bigger Picture
The timing of this acquisition is notable. AI startups like Anthropic and Perplexity are commanding sky-high valuations, while even giants like Google are racing to infuse AI into Chrome. Rumors also suggest OpenAI is preparing its own browser.
Rather than compete in a venture-fueled arms race, The Browser Company opted for stability. Miller said the deal lets his team focus on one thing: growing Dia’s user base.
Why It Matters
The acquisition highlights a growing belief that browsers — not standalone apps — will become the central interface for work. By embedding AI directly into the browser, Atlassian is betting workers will rely less on juggling multiple tools and more on a single AI-powered environment.
Future Outlook
The Browser Company will operate independently, but Atlassian is expected to lean heavily on Dia’s AI features to strengthen its ecosystem. A Windows version is in development, and the roadmap promises tighter integration of Arc’s best ideas into Dia.
Whether Dia becomes the “UI for the entire internet,” as some insiders suggest, remains to be seen. But with Atlassian’s resources behind it, Dia now has a chance to scale before rivals like Google, OpenAI, or Anthropic dominate the space.
Conclusion
Atlassian’s $610 million acquisition is more than a product buy. It’s a strategic bet that AI-powered browsers will become the front door to work — and that Dia, not Arc, is the key to getting there first.