GLM-5.3 vs GLM-5.3-Flash

A side-by-side comparison of GLM-5.3 and GLM-5.3-Flash: input/output pricing, capabilities and available endpoints, served live from 932.ai. Both are reachable with the same API key.

Pricing comparison

ItemGLM-5.3GLM-5.3-Flash
Input (per 1M tokens)$0.77$0.0825
Output (per 1M tokens)$2.42$0.275
Cache read explicit (per 1M tokens)$0.143$0.0165

Specifications

ItemGLM-5.3GLM-5.3-Flash
Context window1,048,5761,048,576
Max output131,072131,072

Capability comparison

ItemGLM-5.3GLM-5.3-Flash
function_callingYesYes
prompt_cachingYesYes

Which should you pick

Which is cheaper, GLM-5.3 or GLM-5.3-Flash?

On input, GLM-5.3-Flash is cheaper ($0.77 vs $0.0825 per 1M tokens). On output, GLM-5.3-Flash is cheaper ($2.42 vs $0.275 per 1M tokens). All prices are per million tokens in USD.

What can GLM-5.3 do that GLM-5.3-Flash cannot?

both support function_calling, prompt_caching.

Can I switch between GLM-5.3 and GLM-5.3-Flash without changing my code?

Yes. Both are available on 932.ai through one API key and the same OpenAI-compatible endpoint — switching means changing the model field from "glm-5.3" to "glm-5.3-flash", nothing else.

Both are available on 932.ai under one API key — switching between them means changing the model field and nothing else, so you can use each where it fits rather than picking one.

GLM-5.3 · GLM-5.3-Flash · All models