Vercel AI Gateway

GLM 5.3 Fast

Flagship GLM model for long-horizon coding, agents, and complex project delivery

zai/glm-5.3-fast

Context

Max output

262.1K

Input $/M

$2.10

Output $/M

$6.60

Cache read $/M

$0.21

Cache write $/M

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Against the catalogue

Context window1M

Larger than 95% of the 7,784 models listed

Input price$2.10

Cheaper than 16% of priced models

Reasoning

Tool calling

Structured output

Attachments

Temperature

Open weights

Interleaved thinking

Input

Text

Output

Text

effortlow, high, max