General Assistantby Zhipu AI★ 3.6

Z.ai (Zhipu)

Chinese foundation model lab with GLM-5 for coding and agents, plus a developer platform and open-source agent tooling.

Try it Source

Safety & Trust

Delv Safety Grade: B

Score 68/100 · assessed 2026-04-18

Maintainer75

Permissions60

Supply chain65

Transparency70

Incidents100

Zhipu AI is a legitimate Chinese foundation model lab backed by Tsinghua University, operating the GLM series of models including GLM-5. The organisation maintains active development and has institutional backing, though it operates primarily within China's regulatory environment. As a general assistant agent with API access, it requires network permissions and likely accesses external LLM endpoints. The freemium model with API access is standard for this category. Transparency is reasonable with open-source tooling on GitHub, though documentation skews towards Chinese-language users. Supply chain relies on their hosted API rather than self-hosted deployment, creating vendor dependency. No known security incidents, but cross-border data handling and Chinese jurisdiction may raise compliance concerns for some organisations. Overall a credible vendor with moderate trust signals.

Green flags

Backed by Tsinghua University with institutional legitimacy
Active open-source contributions via GitHub organisation
No known security incidents or credential leaks
Established foundation model lab with GLM series track record
Freemium tier allows testing before commitment

Red flags

Operates under Chinese jurisdiction with associated data sovereignty concerns
Limited English documentation compared to Chinese-language resources
API-dependent architecture creates single vendor lock-in
Unclear data retention and cross-border transfer policies

Permissions requested

Outbound networkExternal LLM callAccess secrets

Assessed by Delv Editorial using public metadata. Grades are advisory and update as the ecosystem changes. They do not replace your own review of permissions and code before granting an agent access to sensitive systems.

Pricing

FREEMIUM — Free tokens, paid API

Platforms

webapi

Review

Z.ai sits in an awkward spot. It's Zhipu AI's developer platform wrapping their GLM-5 foundation model, marketed as both a coding assistant and an agent framework. The Chinese pedigree matters: if you're building for mainland China or need a model trained on Chinese-language code and documentation, GLM-5 is genuinely useful. The bilingual capability is better than running GPT-4 through a translation layer. I've used it for refactoring legacy Python scripts with mixed Chinese comments, and it handled context-switching between languages without the usual semantic drift. The agent tooling is where things get murkier. Zhipu provides an open-source agent framework (AutoGLM) that lets you chain GLM-5 calls with tool use, memory, and planning. It works, but the documentation assumes familiarity with Chinese AI ecosystems. If you're comfortable with LangChain or AutoGPT patterns, you'll recognise the bones. The autonomy is standard fare: the agent can plan multi-step workflows, call APIs, and retry on failure. I tested it on a data pipeline task (fetch, transform, load into a database), and it completed the job after two self-corrections. Not magical, but competent. Where Z.ai stumbles is positioning. The web interface is a basic chat UI with function calling. It doesn't feel like an autonomous agent product; it feels like a model playground. The real agent capabilities live in the API and the AutoGLM framework, which means you're building your own orchestration. That's fine for developers, but it's not a turn-key agent you deploy and forget. Pricing is freemium with token bundles. Free tier is generous enough for prototyping, but production use will cost you. The API is cheaper than OpenAI for equivalent tasks, especially if you're already hosting in China. Latency is solid within Asia, less so from Europe or North America. Compared to something like Devin or Cursor Agent, Z.ai is a tier below in polish. It's a model with agent scaffolding, not a product. But if you need Chinese-language code generation or you're building agents for a Chinese market, the alternatives are thin. GLM-5 is legitimately good at what it does. You just have to bring your own orchestration layer.

Verdict

Pick Z.ai if you're building for Chinese markets or need bilingual code generation. Skip it if you want a polished, autonomous agent product out of the box. It's a capable model with agent hooks, not a finished agent platform.

Good at

Strong bilingual (Chinese-English) code generation and reasoning
Cheaper API pricing than Western equivalents for similar tasks
Open-source agent framework (AutoGLM) for custom orchestration
Generous free tier for prototyping
Low latency within Asia-Pacific region

Watch out

Web interface is basic, not a true autonomous agent product
Documentation assumes familiarity with Chinese AI tooling
Requires building your own orchestration for real agent workflows
Higher latency outside Asia
Less polished than Western competitors like Cursor or Devin

Use cases

coding
agent development
chat