Z.ai: GLM 5.1 (z-ai/glm-5.1) is a chat model from openrouter with a 202.8K-token context window; open-weight; capabilities tools, reasoning; input text; output text.
202.8KContext
65.5KMax output
$1.05$ / 1M in
Pricing
Input
$1.05 / 1M tokens
Output
$3.5 / 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 2026-07-24.