GLM 4.5 Air

zai

GLM-4.5 and GLM-4.5-Air are the latest flagship models, purpose-built as foundational models for agent-oriented applications. Both leverage a Mixture-of-Experts (MoE) architecture. GLM-4.5 has a total parameter count of 355B with 32B active parameters per forward pass, while GLM-4.5-Air adopts a more streamlined design with 106B total parameters and 12B active parameters.

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Capabilities

Tool Use

Extended Thinking

Technical Specifications

Context Window

128,000 tokens

Max Output

96,000 tokens

Input Cost

$0.20 per 1M tokens

Output Cost

$1.10 per 1M tokens

Availability

Free

Minimum plan required

$0 per month

Also available in these plans

Plus
$20/mo
Pro
$100/mo
Super
$200/mo