About
z.ai is a startup focused on developing and open-sourcing advanced artificial intelligence models. Their work includes creating large language models (LLMs) with a significant emphasis on reducing hallucination rates, a common issue in current AI technologies. They have developed techniques like RLHF (Reinforcement Learning from Human Feedback) to improve model accuracy and reliability.
Key facts
- Website
- z.ai
- Headquarters
- San Francisco, California, USA
- Founded
- 2023
- Total funding
- $1.3B (IPO)
- Valuation
- Private
- Business model
- B2B
- Tags
- Foundation ModelLarge Language ModelGenerative AIReinforcement LearningRetrieval Augmented Generation
Funding rounds
| Date | Round | Amount | Post-money | Lead investors |
|---|---|---|---|---|
| 8 Jan 2026 | IPO | $560M | $6.7B | - |
| 31 May 2024 | Series C | $400M | $3.0B | Prosperity7 Ventures |
| 24 Oct 2023 | Series B | $350M | - | Alibaba Group, Tencent Holdings |
Tech stack
Detected on z.ai, last scanned 12 Sept 2026. Run your own scan
- Frontend
- jQuery
- Analytics
- Google Analytics 4, Google Tag Manager
- CMS / Builders
- Mintlify
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Frequently asked
How much funding has z.ai raised?
z.ai has raised a total of $1.3B in funding. The most recent round on record is IPO.
