
Ruby on Rails
ASP.NET
ember.js
Backbone.js
AngularJS
ExpressJS
Derby.js
Opa is an open source, simple and unified platform for writing web applications.

Cursor
GitHub Copilot
Google Antigravity
warp by spolu
opencode
Windsurf Editor
Codex 3.0 by OpenAI
Transform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebase—no more context switching, just breakthrough results.

Which is more popular?
Based on our record, Opa seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | opalang.org | anthropic.com |
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What each product offers, as listed by its team.


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


No analysis of Opa yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
My food review at Opa of Greece!
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Claude Code Replaced Cursor for Me… Here’s Why
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Opa and Claude Code. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Opa yet. Be the first one to post
I just purchased 20 bucks package of claude and now its working as a full time employee for me.
Recommendations tracked on public social media and blogs since March 2021.


Definitely Opa: http://opalang.org/ In 2011, before TypeScript, Next.js or even React, they had seamless server-client code, in a strongly typed functional language with support for features like JSX-like inline HTML, async/await, string... - Source: Hacker News / about 1 year ago
Opa language 2012, it was a typed nextjs before its time. http://opalang.org/ I think the market was still skeptical about nodejs on the server at the time but other than that I don’t really know why it didn’t take off. - Source: Hacker News / about 1 year ago
A tool to solve optimization problems using quantum computers. Just released the first open-source version https://github.com/pasqal-io/maximum-independent-set/. We'll see if I have the energy to work on that. - Source: Hacker News / over 1 year ago
Tracking Claude Code since May 2025.
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