Side by side
BrowserOS vs Opera
Both stand on browser agents. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source APIExtensionLinux+3
Choose BrowserOS if you want a free, open-source Chromium browser with AI agents, MCP integrations, and desktop support across macOS, Windows, and Linux. Look elsewhere if you need local models for Agent Mode or visual Graph Mode now; cloud AI provider usage may also cost extra.
Visit BrowserOS
Free plan AndroidExtensioniPhone+4
Opera combines a free browser with tab organization, sidebar services, AI tools, ad blocking, and a free VPN. VPN Pro is optional and has separate paid plans.
Visit OperaThe facts
| BrowserOS | Opera | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Not published |
| Runs on | API, Extension, Linux, Mac, Self-hosted, Windows | Android, Extension, iPhone, Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | VPN Pro — one year: $48 a year |
| Plans published | 3 | 4 |
| Maker | BrowserOS | Opera |
| Website | browseros.com | opera.com |
| On browser agents | #1 of 18 | #7 of 18 |
BrowserOS: what it does well
- AI agents can navigate, fill forms, extract data, and run multi-step workflows.
- Supports Gemini, Claude, OpenAI, Ollama, and LM Studio.
- Lists more than 40 MCP app integrations and 53 built-in browser tools.
- Supports Chrome extensions and imports bookmarks, passwords, and settings.
- Browsing data stays on device unless cloud syncing is enabled.
What to know first
- The default AI model has limited daily usage.
- Cloud AI providers may charge based on API usage.
- Local LLMs are not yet powerful enough for Agent Mode.
- Visual Graph Mode is marked as coming soon.
Opera: what it does well
- Available across mobile, desktop, and web platforms.
- Includes cross-device sync and extension support.
- Free VPN has no data cap.
- AI tools include PDF summaries and image generation.
- Ad blocker can block cryptocurrency-mining scripts.
What to know first
- Free VPN offers three general locations.
- VPN Pro is a separate paid option.
- Paid VPN Pro plans have distinct billing terms.
Alternatives to BrowserOS Alternatives to Opera The whole list