z.ai
z.ai

z.ai

Developing advanced AI models with a focus on reducing hallucinations.

2023ActiveSan Francisco, USA

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 Model
Large Language Model
Generative AI
Reinforcement Learning
Retrieval Augmented Generation

Funding rounds

Funding rounds raised by z.ai
DateRoundAmountPost-moneyLead investors
8 Jan 2026IPO$560M$6.7B-
31 May 2024Series C$400M$3.0BProsperity7 Ventures
24 Oct 2023Series 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.