API pricing

GLM 5.3 Prime API pricing

Z.ai

z-ai/glm-5.3-prime

tools

Input / output

$2.8/M

$8.8/M out

Input

$2.8/M

Output

$8.8/M

Context

1M

Updated

2026-10-18

GLM 5.3 Prime API pricing via OpenRouter: $2.8/M input, $8.8/M output, 1M context. Estimate workload cost in the calculator or side-by-side compare.