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Greasemonkey VS Devin

Compare Greasemonkey VS Devin and see what are their differences

Greasemonkey

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
D
Devin

Devin is an autonomous agent that solves engineering tasks through the use of its own shell, code editor, and web browser.

No screenshot yet
Rating
0 reviews
Alternatives Is it good?
Jaah
Jaah is Just Another Agentic Harness, for production-grade AI-generated code. Coding agents write the code. Jaah makes it production-grade. sponsored

Which is more popular?

Devin might be a bit more popular than Greasemonkey. We know about 1 link to it since March 2021 and only 1 link to Greasemonkey.

social mentions
1 vs 1
Browser Extensions popularity
100% vs 0%
alternatives listed
33 vs 96

Base details

Website, pricing, platforms and company facts side by side.

Greasemonkey
D
Devin
Website greasespot.net cognition.com
Pricing
Open source
—
Listed in
Browser Extensions Dark Mode Tool Developer Tools +1
AI Utilities Developer Tools Communications +1

Features and specs

What each product offers, as listed by its team.

Greasemonkey 4 features
D
Devin 0 features
  • Customization
    Greasemonkey allows users to customize the appearance and functionality of a website by injecting JavaScript code, offering a high degree of personalization.
  • User Community
    A large community of users and developers contributes to a vast library of scripts, enabling users to easily find and install scripts that meet their needs.
  • Open Source
    As an open-source project, Greasemonkey encourages transparency and collaboration, allowing developers to contribute and improve the functionality of the extension.
  • Cross-Platform Compatibility
    Greasemonkey scripts are compatible with most modern browsers through various extensions, allowing scripts to work across different systems.

Possible disadvantages

  • Security Risks
    Scripts can potentially contain malicious code, leading to security vulnerabilities if users install scripts from untrusted sources.
  • Script Maintenance
    Users may need to maintain or update scripts themselves, especially when websites update their layout or functionality, causing existing scripts to break.
  • Limited Browser Support
    While Greasemonkey is primarily designed for Firefox, users of other browsers might need to use alternative extensions like Tampermonkey, which may not support all features of Greasemonkey.
  • Learning Curve
    Users who wish to create or modify scripts need a good understanding of JavaScript, which may pose a challenge to those less familiar with coding.

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

Greasemonkey
D
Devin

No analysis of Greasemonkey yet.

Overall verdict

  • Devin is a capable AI software engineering agent that shows real promise for automating routine coding tasks, though it works best as a productivity augmentation tool rather than a full replacement for human engineers. It's a solid choice for teams looking to offload repetitive work and accelerate development, but results can vary depending on task complexity.

Why this product is good

  • Functions as an autonomous AI agent that can plan and execute multi-step coding tasks end to end
  • Integrates with common developer tools like GitHub, Slack, and IDEs for smoother workflow adoption
  • Can handle repetitive or well-defined tasks such as bug fixes, migrations, and small feature work, freeing up human developers
  • Backed by Cognition Labs, which continues to invest heavily in improving the agent's reliability and capabilities
  • Offers the potential to scale engineering output by running tasks in parallel

Recommended for

  • Engineering teams looking to automate routine or repetitive coding tasks
  • Startups and companies wanting to boost developer productivity and throughput
  • Organizations comfortable reviewing AI-generated code and integrating agentic tools into their pipeline
  • Developers who want to offload boilerplate, migrations, or bug triage work
  • Teams experimenting with AI-assisted software development workflows

Videos

Walkthroughs and reviews on video.

Greasemonkey 0 videos + Add
D
Devin 3 videos + Add

No Greasemonkey videos yet. You could help us improve this page by suggesting one.

Devin review: is it a better AI coding agent than Cursor?

More videos

  • - Devin just came to take your software job… will code for $8/hr
  • - Devin AI Review: Is It Worth Trying?

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Greasemonkey
D
Devin
100% 100%
Browser Extensions
0% 0%
21% 21%
Developer Tools
79% 79%
100% 100%
Dark Mode
0% 0%
0% 0%
AI
100% 100%

User comments

Share your experience with using Greasemonkey and Devin. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Greasemonkey 1 mention
D
Devin 1 mention
  • Auto-redirect from English to Simple English if such an article exist in Simple English
    // ==UserScript== // @name Wikipedia Redirect // @namespace https://greasespot.net // @version 0.1 // @description Redirect from English Wikipedia to Simple English Wikipedia if the page exists // @author Noname //... Source: over 3 years ago
  • Devin, the "First AI Software Engineer," Failed 86% of Its Benchmark Tasks, and Then What
    Cognition, "Introducing Devin, the first AI software engineer" (March 12, 2024): the launch post; the 13.86% SWE-bench self-report and unassisted-evaluation details. - Source: dev.to / 3 months ago

Alternatives to Greasemonkey and Devin

When comparing Greasemonkey and Devin, you can also consider the following products.

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