O
OpenAIOpenAI is the maker of ChatGPT and the GPT model family, serving roughly 900M weekly active users with 50M+ paid subscribers — it filed its S-1 on June 8, 2026 ahead of a planned IPO.
212 Pulse stories
Z
Z.aiZ.ai (formerly Zhipu AI) is a Beijing-based AI lab developing the GLM family of large language models and agentic developer tools like ZCode.
5 Pulse stories
Total Raised
$180B
OpenAIZ.ai
Last Valuation
$852B
OpenAIZ.ai
AI infra
Sector
AI infra
2015
Founded
2019
San Francisco, California, USA
HQ
Beijing, China
Private
Status
Public (2513.HK)
OpenAI investors
MicrosoftSoftBankNvidiaAmazonThrive CapitalSequoia CapitalKhosla Ventures
Z.ai investors
AlibabaTencentAnt GroupMeituanXiaomiHillhouseQiming Venture PartnersProsperity7 Ventures
Data from Value Add Pulse coverage and company research — see the full threads for OpenAI and Z.ai.