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Label Studio vs 天工 Skywork
A factual side-by-side comparison of Label Studio and 天工 Skywork. We compare pricing, categories, free tiers and official websites — no invented scores.
Updated 2026-10-22
Quick take
Both Label Studio and 天工 Skywork are Freemium. Pick the one whose tagline and categories match your use case, then check the alternatives below.
Most popular open-source data labeling tool
Data LabelingAI Open Source
Visit website| Pricing | Freemium | Freemium |
|---|---|---|
| Categories | Data Labeling / AI Open Source | LLMs / AI Open Source |
| Best for | Most popular open-source data labeling tool | Kunlun's Skywork: prolific open-source LLM family |
| Free tier | Yes — free or freemium | Yes — free or freemium |
| Website | labelstud.io | www.tiangong.cn |