Dia Browser vs Opera

Dia Browser is one of the latest AI web browsers from The Browser Company (the same team who built Arc Browser).

After The Browser Company got acquired by Atlassian for $610M, they were given the full resources to double-down on their AI browser, Dia.

Dia is for those who are super excited about agentic browsers (think of a baked-in AI chat sidebar, that can co-pilot the browser with you at times).

• Dia has one of the most performant browsers out of all the current AI browsers on the market.
• Backed by the same team as the beloved Arc Browser, much of what made Arc great has been making its way to Dia.
• Since getting acquired for $610M, they now have the full backing of a $20B+ publicly traded company (Atlassian), to experiment and build in one of the most expensive and competitive spaces in the market.

• Dia hasn't decided to go the path of Agent Mode (controlling your browser for you), type features that both ChatGPT Atlas and Comet have gone deep into. So if you're looking for that, it's not likely coming.
• They can't currently use your actual ChatGPT history, so while their chat experience is beautiful and works well, I do at times wish I had more of the context from my ChatGPT account.
• They don't yet have a mobile app for iOS or Android, which feels important for something as core as your browser.

The same powerful (optional) sidebar that first put Arc Browser on the market, and that everyone else copied (including ChatGPT Atlas and even Chrome), is in Dia, and more refined than ever.

If you're someone that likes the idea of being able to have pre-built prompts that can be ran that interact with and take into consideration the content on the page you're visiting, then you'll love their "Skills" functionality.

Dia is currently totally free, with an optional $20/mo tier, that unlocks unlimited AI chat limits.

That said, you'd be hard-pressed to hit limits on the free tier, I only hit it once, and I was doing some pretty deep shopping research, referencing dozens of tabs and YouTube video content.

Dia is one of the leading AI browsers in the space, arguably with the most talented and thoughtful product and design team behind it (and now with Atlassian's backing, nearly infinite resources at their hands).

Dia is definitely worth giving it a try, the only question is really whether or not you're open to switching browsers or not. As that's likely the largest blocker. Although, if you're on this page right now, that's likely exactly what you're looking to do, so yes, Dia is worth giving a shot, especially if you've never tried and AI browser.

Opera has managed to stay about as relevant in the browser space as Firefox, which is just a tad bit behind that of Microsoft Edge.

Interestingly enough, unlike most other major browsers on the market, Opera is actually a publicly traded company with about a $1B market cap. This is particularly interesting because it means that they need to focus on growing revenue as they have investors.

In their attempt to stay relevant, they have copied many features from the more modern browsers on the market like Arc Browser (e.g. Spaces and Folders).

You can tell Arc has been influencing the browser market. They expanded the idea of browser profiles into Spaces, and now Opera has copied the concept with Workspaces. The switching animation is slick and you can create as many workspaces as you'd like, but they all share the same cookies and cache, so you cannot fully separate environments like personal and work accounts. That separation is the key difference between Arc's Spaces and Opera's Workspaces.

You can create groups of tabs in the top if you want similar sites to be together for easy expanding/collapsing. If you open up 2 or more of the sam site, it'll automatically create a tab group for that site.

Opera has been called out a bit lately for being owned by a Chinese company, and for making most of its revenue from Ads, meaning they very well are tracking, storing, and selling details about how you're using the browser.

While tempting and seemingly impressive, there's just something in the heavy influencer marketing push and security concerns that make us have a bit of pause in actually using Opera as our daily driver.