GLM-4 / 4.5 family is a Prior flagship from Zhipu AI (China).
One-line fit: best used for Chat + tools.
Key specifications
| Provider | Zhipu AI |
|---|---|
| Model | GLM-4 / 4.5 family |
| Type | Prior flagship |
| Context window | Large |
| Pricing (indicative) | API/open variants |
| Company category | Frontier Lab |
| Region | China |
| Official site | https://www.zhipuai.cn |
Benchmarks and public standing
Strong CN/EN all-rounder
Treat scores as directional. SWE-bench, Terminal-Bench, LMSYS Arena, Artificial Analysis, and vendor cards use different harnesses and are not always comparable 1:1. Re-check the latest official model card before decisions.
What this model is good at
Chat + tools
This aligns with Zhipu AI’s broader strengths:
- Open frontier coding
- 1M context class
- Value pricing
- Agent/coding products
Limitations and watch-outs
Superseded by 5.x
- Rate limits, regional availability, and data retention policies vary by plan.
- Agent harness quality (Cursor, Claude Code, Codex, custom tools) can change outcomes more than raw model Elo.
- Open-weight availability (if any) is separate from hosted API quality and safety filters.
Ideal users
- Product engineers shipping features that match: Chat + tools
- Teams standardizing on the Zhipu AI ecosystem
- Agent builders who need a Prior flagship
When to pick something else
- Cheaper volume: compare lower tiers from the same lab or open Chinese/EU alternatives.
- Maximum hard SWE thoughtfulness: compare Claude Fable-class and other coding flagships.
- Giant multimodal corpora / Workspace: compare Gemini-class models.
- Self-host / open weights: Llama, Qwen, DeepSeek, GLM, Mistral open lines.
Parent company
Zhipu AI – Tsinghua-origin lab; GLM models. GLM-5.2 positioned as open-weight frontier contender with huge context and coding value.
Related models from Zhipu AI
- GLM-5.2 – Open-weight frontier
- CogView / CogVLM – Image / VLM
Data is curated for AIForumSphere model directory mid-2026 directional figures.
