GLM 5.3 Thinking
Z.ai (Zhipu AI) · All GLM models
No free API in the catalog
GLM 5.3 Thinking is a language model from Z.ai (Zhipu AI). There is currently no free API for this model in our catalog.
- Developer
- Z.ai (Zhipu AI)
- Type
- Text
Where to use GLM 5.3 Thinking for free
Each row is a separate free endpoint with its own limits.
The catalog currently has no free API for this model.
See the provider's current terms and available alternatives below. Free model catalog
Quick start
A code sample appears when the model is available at an OpenAI-compatible provider.
Benchmarks
Intelligence Index44.8
GPQA Diamond91.7%
Humanity's Last Exam42.3%
Long context (LCR)79.7%
Source: Artificial Analysis · GLM-5.3 (Max)
Similar free models
FAQ
Is GLM 5.3 Thinking free?
As of October 24, 2026, our catalog has no free API for GLM 5.3 Thinking. Provider terms and availability can change — check their current pricing or choose a free alternative below.
How good is GLM 5.3 Thinking?
Artificial Analysis Intelligence Index: 44.8, GPQA Diamond: 92%. For comparison, the strongest free model in the catalog right now is DeepSeek V4.1 Flash.