Zhipu AI

GLM 4.5 Air

GLM 4.5 Air — Z.ai native efficient chat model.

glm-4.5-air

Pricing

~99.9%

Input: $0.000129 / 1,000,000 tokens
Output: $0.000842 / 1,000,000 tokens
Cache read: $0.000025 / 1,000,000 tokens
Cache write: $0.000129 / 1,000,000 tokens

How pricing works

Discount history

99.9%Nov 8, 03:56 AM UTC

Nov 7, 11:57 PMNov 8, 03:56 AM UTC

Model details

Input: text
Output: text
Context window: 128,000 tokens
Maximum output: 32,768 tokens
Availability: $1.4KUncapped capacity
Updated: 11/8/2026, 3:58:06 AM UTC

Capacity is reserved when your request is accepted.

Capabilities

ChatStreamingTool callingReasoning

Supported parameters

max_tokenstemperaturetop_pfrequency_penaltypresence_penaltyrepetition_penaltymin_plogit_biaslogprobstop_logprobsstoptoolstool_choiceresponse_formatseedstructured_outputsinclude_reasoningreasoning