Curiosity · AI Model
GLM-4 Plus
GLM-4 Plus is the flagship model from Zhipu AI, one of China's 'AI Tigers' spun out of Tsinghua University. It offers 128k context, strong bilingual (Chinese/English) performance, and a tool-use stack tuned for agentic workflows. GLM-4 Plus is a default choice for products that need first-class Chinese-language quality.
Model specs
- Vendor
- Zhipu AI
- Family
- GLM-4
- Released
- 2024-08
- Context window
- 128,000 tokens
- Modalities
- text, code
- Input price
- $7/M tok
- Output price
- $7/M tok
- Pricing as of
- 2026-04-20
Strengths
- Top-tier Chinese-language performance on C-Eval and CMMLU
- Mature tool-use and function-calling interfaces
- Hosted on the BigModel platform with generous Chinese-market pricing
Limitations
- English scores slightly below GPT-4-class Western models
- Access from outside China can be rate-limited
- Less open tooling than Llama or Qwen ecosystems
Use cases
- Chinese-language chatbots and customer support
- Bilingual search and summarisation
- Domestic (mainland China) enterprise assistants
- Tool-using agents for e-commerce and CRM
Benchmarks
| Benchmark | Score | As of |
|---|---|---|
| C-Eval | ~83% | 2026-04 |
| MMLU | ~82% | 2026-04 |
| GSM8K | ~93% | 2026-04 |
Frequently asked questions
What is GLM-4 Plus?
GLM-4 Plus is Zhipu AI's flagship proprietary LLM — a bilingual Chinese/English model with 128k context and native tool use, commonly used in Chinese enterprise AI products.
Is GLM-4 Plus open-source?
No. GLM-4 Plus is a closed, hosted model on Zhipu's BigModel API. Zhipu does release smaller open-weight variants (ChatGLM3-6B, GLM-4-9B) on HuggingFace.
Sources
- Zhipu AI — GLM-4 docs — accessed 2026-04-20
- Zhipu AI on HuggingFace — accessed 2026-04-20