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GLM-4.5

glm-4.5

CHAT Mid tier Reasoning Open-weight

GLM-4.5 (glm-4.5) is a chat model from zai with a 128K-token context window; open-weight (355B parameters); capabilities tools, reasoning; input text; output text.

128KContext
32KMax output
$0.6$ / 1M in
12.8Intelligence

Pricing

Input
$0.6 / 1M tokens
Output
$2.2 / 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 2026-07-22.

Benchmarks

Intelligence index
12.8
Math
73.7

Cited from a public third-party leaderboard — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-09-26.

Specifications

Context window
128,000 tokens (128K)
Max output
32,000 tokens
Weights
Open-weight
Parameters
355B
Input modalities
text
Output modalities
text
Knowledge cutoff
2025-04
Release date
2025-07-28

Capabilities

tools reasoning

Provenance

committedlitellmmodels-devoverrides
Last verified: 2026-10-30

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