Z.ai (Zhipu) · Small and fast

GLM-5.3-Flash API pricing and specs

Z.ai's small, low-cost GLM model.

Input

⁨$0.15⁩

Cached input

⁨$0.030⁩

Output

⁨$0.50⁩

US dollars per million tokens, standard tier, short-prompt rate

The launch discount ended on 9 September 2026. A faster FlashX variant costs $0.37 input and $1.25 output per million.

Spec sheet

API model string: glm-5.3-flash
Provider: Z.ai (Zhipu)
Context: 1M tokens
Max output: —
Released: —
Batch API: No batch discount listed
Documented agent features: The vendor's page lists none for this model.

What a task costs

Four reference workloads priced at this model's list rates, with caching applied after the first call. Your numbers will differ; the calculator lets you change every assumption.

Workload	Per task	Per 1,000 tasks
Support bot 4 calls, short tool lookups	⁨$0.004⁩	⁨$4⁩
Coding agent 30 calls, files and test output	⁨$0.182⁩	⁨$182⁩
Browser agent 25 calls, screenshots and page text	⁨$0.115⁩	⁨$115⁩
Research agent 15 calls, long search results	⁨$0.101⁩	⁨$101⁩