Nyckel
A machine-learning API platform for building custom classification, detection and segmentation models that learn from your examples.
What it does
Nyckel is an AI platform for building reliable, production-ready classification, detection and segmentation models on images, text and structured data. Models learn from your own labeled examples and return consistent predictions with confidence scores at millisecond speed, positioned as an alternative to LLM prompts for high-volume, repeatable decisions.
Core features
Custom classifiers trained from your examples
Support for image, text and structured data
Pretrained/premade classifiers
Production API with fast inference
Confidence scores and prediction review
Invoke capture for real-world testing
Best for
→Content moderation
→Spam and scam detection
→Fraud detection
→Defect detection
→Product and image auto-tagging
→Ticket routing and sentiment analysis
Pricing
Free
Starter
$149/mo
Toolspool rankingby global site rank
Tutorials
Step-by-step: exactly how to get things done with it.