These rankings are based on data from August 2025
Sigma.AI provides high-quality data annotation services for training large language models, ensuring up to 99% accuracy even for complex tasks, leveraging a global team of experts.
API Availability
- Unknown
Pricing
unknown
Use
data collection
data science solutions
data strategy
Industries
it
research & development
Position of Sigma AI on sub rankings
August 2025
Spain - Overall
23 out of 426
Spain - Overall
23 out of 426
Insights

When Norway's AI Unicorns Take Flight
Among the leading companies highlighted in our Norwegian AI report are several promising AI firms, often described as unicorns or unicorns in the making. The unicorn label captures more than just valuation.

Retrieval Augmented Generation Tools: How to Choose the Right RAG Platform in 2025
Retrieval augmented generation tools help organizations turn scattered documents, tickets, and databases into trusted, conversational answers. This guide explains what RAG does, where it shines, and how to pick the right platform for your stack. We summarize key use cases, buyer criteria, and standout features from leaders in our ranking.