2 Alternatives3 min readUpdated January 14, 2026

2 Best Comet Alternatives in 2026

Q: Is there a free alternative to Comet?

Yes! All 2 alternatives listed here are free and open source. You can self-host them or use community-hosted versions.

Q: Can I self-host these Comet alternatives?

Yes, all alternatives listed here are self-hostable, giving you full control over your data and privacy. Each project includes deployment documentation.

Looking for open source alternatives to Comet? We've curated and ranked 2 free, self-hosted options based on community feedback and GitHub activity. Our top pick is Agent Browser with 3.3k stars.

Comet

Comet is an AI research and reasoning model designed to handle complex queries and large-scale data synthesis. It enables users to perform deep information retrieval, automate multi-step research tasks, and generate accurate technical summaries from diverse sources. The platform serves developers and researchers who require high-performance search capabilities and structured output for data-driven decision-making.

Website

78.7k

Total GitHub Stars

Verified Alternatives

100%

Free & Open Source

Comet is a popular tool, but there are many reasons you might be looking for an alternative—whether it's cost, privacy concerns, or the desire to self-host your own solution.

Below, we've compiled a comprehensive list of 2 open source alternatives to Comet. Each option is free to use and can be self-hosted, giving you full control over your data.

These alternatives span categories including RAG & Agents, Frameworks & Infra, so you can find the perfect fit for your specific needs.

All Comet Alternatives

Ranked by recommendation

Hot

Agent Browser

RAG & Agents

3,318

122

Agent Browser is an open-source automation framework for LLM-based agents that enables programmatic interaction with web interfaces through structured DOM navigation and action execution. * Converts complex HTML structures into simplified markdown or JSON representations to optimize LLM context window utilization. * Executes browser actions including clicks, text input, and scroll events via the Chrome DevTools Protocol (CDP) or Playwright. * Implements visual grounding techniques to map coordinate-based clicks to specific DOM elements for high-precision navigation. * Provides built-in session management to maintain cookies, local storage, and authentication states across multi-step agent workflows. * Supports integration with OpenAI, Anthropic, and local models via LangChain or direct API calls. * Runs in Dockerized environments with headless Chromium support for scalable background processing. Ideal for building automated web research tools, competitive price monitoring systems, and cross-platform data extraction pipelines.

Apache-2.0

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Hot

Browser Use

RAG & Agents

75,388

8,999

## Overview Browser Use is an open-source Python library empowering AI agents to programmatically control web browsers using natural language instructions. It bridges the gap between large language models and advanced browser automation. ## Key Features - Control any modern web browser via Playwright. - Translate natural language instructions into precise browser actions using LLMs. - Enable autonomous AI agents to navigate, interact with, and understand web pages. - Perform complex tasks like data extraction, form submission, and UI testing. ## Use Cases - Developing intelligent web scrapers and dynamic data extraction tools. - Automating complex browser workflows for AI-driven assistants and bots. - Building robust AI agent testing frameworks for web applications. ## Get Started Visit the GitHub repository to explore the project and contribute!

MIT

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Choosing the Right Comet Alternative

When selecting an alternative to Comet, consider these factors:

Features: Does it have the specific features you need?
Self-hosting requirements: Do you have the infrastructure to host it yourself?
Community & Support: Is there an active community for help and updates?
License: Check the license fits your use case (personal, commercial, etc.)

Based on community feedback and project activity, we recommend starting with Agent Browser as the top alternative to Comet.

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Frequently Asked Questions

What are the best open source alternatives to Comet?▼

The best open source alternatives to Comet include Agent Browser, Browser Use. Agent Browser is our top recommendation with 3.3k GitHub stars and an active community.

Is there a free alternative to Comet?▼

Yes! All 2 alternatives listed on this page are completely free and open source. You can self-host them on your own infrastructure or use community-hosted versions.

Can I self-host these Comet alternatives?▼

Yes, all alternatives listed here are self-hostable. This gives you full control over your data and privacy. Each project has documentation for deployment on various platforms.

Introduction