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零一万物 01.AI vs AI21 Labs
A factual side-by-side comparison of 零一万物 01.AI and AI21 Labs. We compare pricing, categories, free tiers and official websites — no invented scores.
Updated 2026-10-22
Quick take
Both 零一万物 01.AI and AI21 Labs are Freemium. Pick the one whose tagline and categories match your use case, then check the alternatives below.
| Pricing | Freemium | Freemium |
|---|---|---|
| Categories | LLMs / AI Open Source | LLMs |
| Best for | Kai-Fu Lee's 01.AI, maker of Yi open models | Israeli NLP pioneer behind Jamba open models |
| Free tier | Yes — free or freemium | Yes — free or freemium |
| Website | www.01.ai | www.ai21.com |