Z.ai

Z.ai from Zhipu AI. GLM models strong code/math. 100K+ enterprise clients. $1B+ valuation. Alibaba/Tencent/Meituan/Xiaomi backed. Chinese enterprise AI.

Z.ai (from Zhipu AI) is a Chinese AI company developing GLM model series (GLM-4, GLM-4V, CodeGeeX) with strong code/math reasoning, serving 100K+ enterprise clients, valued at $1B+, backed by Alibaba, Tencent, Meituan, Xiaomi.

Founded: 2019 · HQ: Beijing, China · Team: 1000+ · CEO: Tang Jie · Funding: $1.996B total (IPO Jan 2026: $558M at $6.55B valuation) · Valuation: $6.55B (Hong Kong Stock Exchange IPO, January 2026)

About Z.ai

Z.ai is an artificial intelligence company founded in 2019 by researchers from Tsinghua University's Knowledge Engineering Group in Beijing, China. The company initially operated under the name Zhipu AI and rebranded internationally to Z.ai following its IPO. On January 8, 2026, Z.ai debuted on the Hong Kong Stock Exchange, raising approximately $558 million at a valuation of $6.55 billion, becoming China's first publicly listed frontier AI company. The company's flagship product line is the GLM (General Language Model) family of large language models, which trace their lineage back to the GLM-130B model released in 2022. Z.ai has steadily scaled the architecture through GLM-4, GLM-4.5, and the GLM-5 generation, culminating in GLM-5.2 released June 13, 2026. The GLM-5 family is built on a 744-billion-parameter Mixture-of-Experts architecture with 40 billion active parameters per forward pass, trained on 28.5 trillion tokens. Since July 2025, Z.ai has released every GLM flagship model under the MIT license, allowing unrestricted commercial use, modification, and redistribution. Z.ai offers model access through three channels: the Z.ai consumer platform at z.ai, the Z.ai developer API at docs.z.ai, and the GLM Coding Plan subscription service offering dedicated coding-first access across Lite, Pro, Max, and Team tiers. The developer API is OpenAI-compatible, which simplifies integration for teams already using the OpenAI SDK. GLM-5.2 is also available on Fireworks AI, OpenRouter, AWS Bedrock (via bedrock/us-east-1/zai.glm-5), and Google Vertex AI (via vertex_ai/zai-org). The company has raised approximately $1.996 billion in total funding across multiple rounds prior to its IPO. This capital has supported the development of large-scale training infrastructure, a research team of approximately 2,000 employees primarily based in Beijing, and international expansion efforts. Key investors include state-backed funds and strategic technology partners in China. Z.ai's research philosophy centers on the intersection of academic research and product deployment. The company maintains close ties to Tsinghua University and has co-authored multiple peer-reviewed papers on large language model architectures, training methodologies, and evaluation frameworks. The GLM-5 technical report, titled "GLM-5: From Vibe Coding to Agentic Engineering," was published on arXiv in February 2026 and documented the architecture, training process, and benchmark evaluations in detail. On safety, Z.ai publishes model cards for its flagship releases and includes alignment training through supervised fine-tuning and reinforcement learning from human feedback. The company has not published a formal responsible scaling policy analogous to Anthropic's RSP, but its MIT licensing strategy is a meaningful openness commitment that allows external researchers to audit and evaluate model behavior. The GLM-5.2 release marked a significant technical milestone: a 1-million-token context window in an open-weights model, combined with dual thinking modes (High and Max effort) and 131,072 max output tokens. This makes GLM-5.2 the first MIT-licensed model to match or exceed proprietary frontier models on long-horizon coding tasks. On Terminal-Bench 2.1, GLM-5.2 scored 81.0, and on SWE-bench Pro it reached 62.1, both improvements of more than 3 points over the predecessor GLM-5.1. Z.ai competes directly with Qwen (Alibaba), DeepSeek (DeepSeek Ltd), MiniMax, and Baidu's ERNIE in the Chinese AI market, while internationally targeting use cases dominated by Anthropic's Claude, OpenAI's GPT series, and Google's Gemini. The company's MIT licensing strategy and OpenAI-compatible API are deliberate moves to appeal to developers who want frontier-class Chinese model performance without vendor lock-in or export risk. Looking ahead, Z.ai has indicated continued focus on coding and agentic capabilities, with the GLM roadmap targeting improvements in multi-file repository-level code editing, multi-step browser agent tasks, and expanded multimodal capabilities through the GLM-5V series. The company's position as the first Chinese frontier lab to complete a public listing gives it both capital access and the corporate governance transparency demanded by institutional investors.

Mission

To build and openly distribute frontier AI models that serve developers and enterprises worldwide, starting with the MIT-licensed GLM family.

Products

• GLM-5.2
• Z.ai Developer API
• GLM Coding Plan
• GLM-5V-Turbo

Links

Website · GitHub · Twitter · LinkedIn · Blog · Docs