LLM Perks

GLM 5.3 Flash Thinking

Z.ai (Zhipu AI) · All GLM models
No free API in the catalog

GLM 5.3 Flash 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 Flash 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 Index
41.8
GPQA Diamond
91.2%
Humanity's Last Exam
39.9%
Long context (LCR)
80.0%

Source: Artificial Analysis · GLM-5.3-Flash

Similar free models

FAQ

Is GLM 5.3 Flash Thinking free?

As of October 24, 2026, our catalog has no free API for GLM 5.3 Flash Thinking. Provider terms and availability can change — check their current pricing or choose a free alternative below.

How good is GLM 5.3 Flash Thinking?

Artificial Analysis Intelligence Index: 41.8, GPQA Diamond: 91%. For comparison, the strongest free model in the catalog right now is DeepSeek V4.1 Flash.