
Vast.ai
GPU Per Hour
FastGPU
GPUniq
Coreframe Cloud
AskGPU
Paperspace
GPU rental by the minute plus an OpenAI-compatible AI API, on one prepaid balance. Independent service.

mabl
TestMu AI (Formerly LambdaTest)
Ghost Inspector
Leapwork
Katalon
Testim
Testsigma
Functionize combines natural language processing, deep-learning ML models and other AI-based technologies to empower your team to build tests faster that don’t break and run at scale in the cloud.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | cloudgpu.app | functionize.com |
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In their own words, as submitted to SaaSHub.


On-demand GPU rental for AI workloads, billed by the minute: RTX 4090 48G, RTX 5090, A100 80G and more, with root SSH, Jupyter and ready templates for ComfyUI and LLM training or inference. Pay by card or USDT.
No description of Functionize yet.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
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How Functionize Improves Software Testing
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How often each product is chosen within a category, 0–100% relative to the other.


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Real-time cloud GPU price comparison: Find the cheapest H100, A100, RTX 4090 & more across 30+ providers. Deploy instantly and save big on hourly rentals.
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World’s first full-stack Agentic AI Quality Engineering platform.
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Live cloud GPU prices and quotes for GPU clusters, free.
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Easily create automated browser tests for your websites and web apps. Ensure everything works and looks the way it should. No coding required. 14 day free trial!
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