Z.ai: GLM 5.3 (z-ai/glm-5.3) is a chat model from openrouter with a 1.3M-token context window; open-weight; capabilities tools, reasoning; input text; output text.
1.3MContext
943.7KMax output
$1.4$ / 1M in
Pricing
Input
$1.4 / 1M tokens
Output
$4.4 / 1M tokens
Currency
USD
Note
Indicative US list price — verify with the vendor.
Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-09-26.