Decision Support · Side-by-side

Prodigy vs Kili Technology. Side by side.

Compare pricing, strengths, and use cases so it is easier to pick the right fit.

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Prodigy

Best overall

Kili Technology

For everyday users who need to label data for AI projects, Prodigy is the better choice if you're technically comfortable and want full control and privacy, while Kili Technology is better for teams needing advanced medical imaging support and robust quality control. The single biggest difference is that Prodigy runs entirely on your own machine (no cloud dependency), whereas Kili is a cloud platform with a steeper learning curve.

Prodigy

Lifetime License (12 months upgrades) #2508 of 3,826 Web API

Kili Technology

Free trial available; paid plans start at custom pricing #3571 of 3,826 Web

Scores at a glance

ProdigyKili TechnologyPractical Versatility

Onboarding Ease

Ecosystem Fit

Market Value

Choose Prodigy if

You record customer interviews weekly and need to label sentiment or topics in text
You're training a custom AI model on private photos and want zero data leaks
You're a solo developer or small team comfortable with Python and want a one-time purchase
You need to annotate both images and text in the same project

Choose Kili Technology if

You work with medical scans (X-rays, MRIs) and need DICOM support
You manage a team of annotators and need to track their accuracy and agreement
You prefer a web-based platform with a GUI and don't want to install software locally
You need to export labels in COCO or YOLO format for computer vision models

Key differences

Prodigy is a local Python package; Kili is a cloud platform
Prodigy has a lifetime license; Kili uses subscription pricing (free trial, then custom)
Prodigy requires coding skills; Kili has a more visual interface but still technical
Kili supports DICOM medical images; Prodigy does not
Prodigy offers active learning out of the box; Kili relies on model-assisted labeling via API
Prodigy gives you full data privacy; Kili stores data on its servers

Facts side by side

	Prodigy	Kili Technology
Free plan
Mobile app
API access

Prodigy: strengths & weaknesses

Handles text, images, audio, video, and LLM prompts in one tool
Active learning speeds up labeling by showing you only the most uncertain data
Lifetime license means no monthly subscription fees
Runs offline on your own computer, so your data never leaves your control
Requires you to know Python and use the command line to install and run it
No mobile app, so you can't label on your phone
You have to write your own 'recipes' for custom workflows; no community marketplace

Kili Technology: strengths & weaknesses

Excellent for medical imaging with DICOM file support
Built-in quality control with consensus scoring and honey-pot tasks
Customizable annotation interface without needing to code as much
Supports video tracking and audio transcription alongside text and images
Pricing is opaque and likely expensive for individuals
No mobile app, and the web UI can be slow with very large datasets
API-heavy features have a steep learning curve for non-technical users

Common questions

Is Prodigy better than Kili Technology for a non-technical person?

No. Kili Technology is easier to start with because it has a web interface and free trial, but both tools require some technical know-how. Prodigy demands Python skills, while Kili still needs you to understand ontologies and APIs.

Can I use Prodigy on my phone?

No. Prodigy runs as a local web app on your computer and has no mobile app. Kili Technology also has no mobile app.

Which tool is cheaper for an individual?

Prodigy is cheaper for an individual because it's a one-time lifetime license. Kili Technology's pricing is custom and likely aimed at teams, so it's probably more expensive for a single user.

Can I label medical images with Prodigy?

Prodigy can label standard image formats (JPEG, PNG) but does not support DICOM files. For medical imaging, Kili Technology is the better choice.

Do I need an internet connection to use Prodigy?

No. Prodigy runs entirely on your own machine and works offline. Kili Technology requires an internet connection because it's a cloud platform.

Prodigy wins for privacy-loving developers on a budget; Kili wins for medical teams needing enterprise-grade annotation.

If you're comfortable with a little coding and want a powerful, private, one-time purchase tool, go with Prodigy. If you need medical imaging support or a team-focused platform with built-in quality control, Kili Technology is worth exploring—but be ready for higher costs and a learning curve.

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Detail pages: Prodigy · Kili Technology

Prodigy

Kili Technology

Free plan

Mobile app

API access