AI Services
Chat AI from China's Z.ai (formerly Zhipu AI), built on the GLM series — open models well regarded for coding and agentic use.
Models
GLM 5.1GLM 5.2GLM 5.3
Key features
GLM models
First-party access to the GLM models, well regarded for coding and agentic work.
Agent features
Agent modes that carry tasks like research and slide-making through to a deliverable.
Open weights & cheap API
Published model weights and an API priced well below the big labs.
Tier lists featuring this service
Categories aggregate their whole subtree. Tap a row to open the tier list.
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Arena benchmark standings
arena.ai (formerly LMArena) blind-battle results converted into tiers for reference. See each category page for the conversion rules
- BCodingArena #15 ・ Elo 1508Representative model: glm-5.3-flash
- CCreative writingArena #23 ・ Elo 1463Representative model: glm-5.2-max
- CWeb development (Code Arena)Arena #23 ・ Elo 1621Representative model: GLM-5.3 (Max)
- AMathArena #12 ・ Elo 1505Representative model: glm-5.3-flash
- CAgentArena #22 ・ +2.3%Representative model: GLM-5.2 (Max)