GLM-4.5-Air

API ID glm-4.5-air

GLM-4.5-Air is a Z.ai model, released July 2025. Standard price: $0.20 input and $1.10 output per 1M tokens.

Status: Active
Released: July 2025
Shutdown: none announced
Replacement: —

Z.ai doesn't publish shutdown dates. AIWire checks its model list daily and will flag glm-4.5-air if it disappears.

Benchmarks

Scores as each source published them

No comparison. Pick a model to see the difference on each benchmark.

Arena

Arena	GLM-4.5-Air	Rank	Date	Source
Text By category Math 1387 rank 181 Creative writing 1327 rank 204 Instruction following 1361 rank 194 Hard prompts 1391 rank 194 Long prompts 1380 rank 191 Multi-turn 1368 rank 195 Expert 1390 rank 192	1373 ±4	195 of 415 30,658 votes	Oct 13, 2026	source
Text: Coding	1427 ±8	189 of 410 6,100 votes	Oct 13, 2026	source

Rated as glm-4.5-air. Ratings come from people voting between two anonymous answers; Text is style-controlled, as on arena.ai. Data: Arena (arena.ai), CC BY 4.0.

Price history

USD per 1M tokens, standard tier

We started recording this model's prices on Oct 5, 2026. The history grows with each daily check.

Show as a table

From	Type	Price
Oct 5, 2026	Input	$0.20
Oct 5, 2026	Output	$1.10

Prices

USD per 1M tokens, every type and band, by tier

Type	Price $/1M	In effect
Standard
input	$0.20
cached input	$0.03
output	$1.10

Changelog

Changes we detected on Z.ai's pages

No changes recorded yet.

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Last checked Oct 15, 2026, 2:00 am ET · Sources: Z.ai models, Z.ai pricing