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GLM-4.5 Air

Pricing & Specs API
Free REST API for prices, specs and benchmarks
GLM-4.5 Air is Zhipu AI's language model with a 131K context window and up to 98K output tokens, available from 7 providers, starting at $0.125 / 1M input and $0.45 / 1M output. A compact MoE variant of GLM-4.5 from Z AI, offering a lighter architecture while retaining strong agentic reasoning and tool-use performance.
Specifications
Canonical IDzhipu-glm-4-5-air
TypeLanguage
StatusActive
CreatorZhipu AIZhipu AI
Providers
Context Window131K tokens
Max Output98K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Parameters110B
HuggingFace Likes599
HuggingFace Downloads (30d)389,697
HuggingFace Downloads (all-time)3,025,118
Release Date · 1 year ago
Knowledge Cutoff · 2 years ago
Benchmarks
Intelligence Index
#299
Math Index
#81
MMLU-Pro
#96
GPQA
#240
HLE
#306
LiveCodeBench
#100
AIME
#52
IFBench
#290
Time to First Token
#505
SciCode
#319
MATH-500
#37
AIME 2025
#81
LCR
#256
TerminalBench Hard
#155
TAU2
#202
Output TPS
#161

Capabilities

Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities7/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling✓
Structured Outputs✓
Native JSON Schema✓
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill✓

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Fireworks AI logo
Fireworks AI
fireworks_ai/accounts/fireworks/models/glm-4p5-air
$0.22$0.88N/A
Hugging Face logo
Hugging Face
novita:zai-org/glm-4.5-air
$0.13$0.85N/A
Novita logo
Novita
novita/zai-org/glm-4.5-air
$0.13$0.85$0.025
OpenRouter logo
OpenRouter
z-ai/glm-4.5-air
$0.13$0.85$0.025
Pinstripes
pinstripes/ps/glm-4.5-air
$0.125$0.45N/A
Vercel AI Gateway logo
Vercel AI Gateway
zai/glm-4.5-air
$0.2$1.10$0.03
Z AI (Zhipu) logo
Z AI (Zhipu)
zai/glm-4.5-air
$0.2$1.10N/A

Cost Calculator

US Dollar ($)
Preset:

Cheapest Instances to Run It

Cloud GPU instances that can host GLM-4.5 Air, ranked by cheapest on-demand price. The model needs about 265 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.

All clouds
FP16 (full precision)
US Dollar ($)
Instance
Cloud
GPU
VRAM
Price
Cheapest region
Standard_NC96ads_A100_v4Azure4× NVIDIA A100320 GB$14.69/hr
g7e.24xlargeAWS4× RTX PRO Server 6000384 GB$16.57/hr
g4-standard-192GCP4× nvidia-rtx-pro-6000384 GB$18.00/hr
7 more instances can run GLM-4.5 Air
Unlock the full ranked list and FP8 / INT4 quantization with a CloudPrice subscription.

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
GLM-4.7—205K$0.400$1.75
GLM-4.6—205K$0.500$2.00
GLM-4.5—131K$0.400$1.60

Model IDs

accounts/fireworks/models/glm-4p5-air
fireworks_ai/accounts/fireworks/models/glm-4p5-air
glm-4-5-air
novita/zai-org/glm-4.5-air
openrouter/z-ai/glm-4.5-air
pinstripes/ps/glm-4.5-air
vercel_ai_gateway/zai/glm-4.5-air
z-ai/glm-4.5-air
z-ai/glm-4.5-air:free
zai-org/glm-4.5-air
zai/glm-4.5-air
zhipu-glm-4-5-air