GLM-5.3

zai-glm-5-3

CHAT High tier Reasoning Open-weight

GLM-5.3 (zai-glm-5-3) is a chat model from mistral with a 1.0M-token context window; open-weight; capabilities tools, reasoning; input text; output text.

1.0MContext

131.1KMax 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 2026-10-30.

Specifications

Context window: 1,048,576 tokens (1.0M)
Max output: 131,072 tokens
Weights: Open-weight
Input modalities: text
Output modalities: text
Release date: 2026-08-14

Capabilities

tools reasoning

Provenance

litellmmodels-dev

Last verified: 2026-10-30

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