Anchor Browser vs Google Project Mariner (2026)

Overview

Rating

10.0 / 10

Rating

10.0 / 10

Best For

Teams building AI agents that log in and work on real websites, from digital-coworker products to back-office automation across portals with no API.

Best For

—

Product Summary

Anchor Browser provides computer environments for AI agents, with persistent logins, stealth fingerprinting, and workflow replay.

Product Summary

Google Project Mariner brings agentic browsing directly into Chrome, powered by Gemini. It can understand and interact with web pages — reading content, clicking buttons, filling forms, and navigating across sites. As a native Chrome feature for AI subscribers, Project Mariner represents the shift of browser agents from standalone tools to built-in browser capabilities, leveraging Google's unmatched understanding of web structure.

Starting Price

$249.99Per monthly

Free Trial

Free Version

Yes

Free Version

Website

anchorbrowser.io

Website

deepmind.google

Key features

Core capabilities each platform advertises.

Anchor Browser

Managed cloud browsers for AI agents
Playwright, Puppeteer, CDP, and MCP access
Persistent logins and MFA with OmniConnect
Stealth fingerprinting for bot detection avoidance
Action Index workflow replay
Residential proxies and geolocation routing
Bring-your-own-cloud and on-premise deployment

Google Project Mariner

Data not available

Strengths and tradeoffs

What each tool does well, and the limitations to keep in mind.

Anchor Browser

Pros

Logins and MFA persist across sessions, so agents stay signed in
Action Index calls the model only when a page has changed on repeat workflows
Free plan with up to 5 concurrent browsers for testing

Cons

Credits plus separate browser-hour, AI-step, and proxy rates make costs harder to forecast
Proxy usage at $8/GB adds up for data-heavy workloads

Google Project Mariner

Pros

Multimodal understanding allows parsing of text, images, buttons, forms, and code on web pages
Teach & Repeat feature enables learning custom workflows by demonstration
Can execute up to 10 parallel tasks for comparing prices or gathering data from multiple sources
Powered by Gemini 2.0, providing advanced AI capabilities and reasoning
Integration with Google's ecosystem provides access to additional tools and features

Cons

Premium pricing at $249.99/month is significantly higher than most consumer AI subscriptions
Currently limited to US users, though expanding to more countries
Still experimental with slow performance and prone to roadblocks like CAPTCHA or login issues
Cannot fill out credit card numbers, billing information, accept cookies, or sign terms of service
Requires significant computational resources with virtual machine architecture

Anchor Browser or Google Project — which should you choose?

Choose Anchor Browser if you wantChoose if you want

Agents that log in and work on real websites
Back-office automation across portals with no API
Digital-coworker products with long-lived sessions
High-volume agent workloads

Choose Google Project if you wantChoose if you want

Data not available

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