Generate Data
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DataConstruct
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Fake Data
ExtendsClass JSON Generator
Smock-it
A realistic data generator to test your app

LangFlow
n8n.io
Build LLMs Apps Easily
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Microsoft Power Automate
Zapier
No-code LLM workflow builder for RAG & AI agents
Which is more popular?
Based on our record, Mockaroo seems to be more popular. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Mockaroo
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| Website | mockaroo.com | llmgraph.ai |
| Pricing | ||
| Company | — | Startup from the United States · 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Mockaroo yet.
LLMGraph is a low-code/no-code platform for building and running large language model (LLM) workflows on a visual, graph-based canvas. Instead of writing orchestration code, you connect nodes — models, prompts, retrieval, tools, and control flow — to design retrieval-augmented generation (RAG)...
What each product offers, as listed by its team.

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

No analysis of Mockaroo yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Best Free Sample Data Generator - Mockaroo.com
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Mockaroo and LLMGraph. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

If you give it the rules to generate something, why can't it generate it? That's what something like Mockaroo[0] does. It's just more formal. That's pretty much what LLM training does, extracting patterns from a huge corpus of text. Then... - Source: Hacker News / over 1 year ago
A quick way to test this out is to use a tool like Mockaroo to generate some test data and then have a Glue Crawler analyse the data in S3 and create the required data catalog entries. - Source: dev.to / over 2 years ago
Mockaroo — Mockaroo lets you generate realistic test data in CSV, JSON, SQL, and Excel formats. You can also create mocks for back-end API. - Source: dev.to / over 2 years ago
Tracking LLMGraph since Jul 2026.
When comparing Mockaroo and LLMGraph, you can also consider the following products.

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Faker is a PHP library that generates fake data for you
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Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.
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build your customized LLM flow using LangchainJS,
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