Project Mariner vs Surf.new (2026)

A side-by-side comparison of Project Mariner and Surf.new, two web ai agents AI agents. Compare pricing, access model, and key features to decide which fits your workflow.

Category
Web AI Agents
Web AI Agents
Industry
Horizontal
Horizontal
Pricing
Free
Free
Access
Closed Source
Closed Source
Upvotes
7
7
Views
2754
1271

About Project Mariner

Web AI Agent that autonomously navigates and completes web tasks.

About Surf.new

An open-source alternative to OpenAI Operator

Key features compared

Autonomous web navigation and task completion
Multimodal data processing (text, images, audio, video)
Reasoning capabilities for complex task planning
Real-time logging of actions for user oversight
Ability to ask for clarification when needed
Integration with Chrome browser
Swap between AI Agent Frameworks with a button: Supports Browser-use, an experimental Claude Computer-use-based agent, and integrates smoothly with LangChain—allowing easy experimentation with different approaches.
Diverse AI Model Compatibility: Compatible with popular models including Claude 3.7, DeepSeek R1, OpenAI models, Gemini 2.0 flash, and others—giving you the flexibility to choose what works best.
Ollama Integration: Easily connect Surf.new with Ollama to run powerful AI models locally, without cloud dependencies.

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