GLM 4.5 Air

z-ai/glm-4.5-air
by Z.ai · text in · text out · 128K ctx · 2025-07-25

Compact MoE sibling of GLM-4.5: 106B total / 12B active. Same hybrid-reasoning and tool-calling stac…

Endpoints:/v1/chat/completions
INPUT$0.20/ 1M tokens
OUTPUT$1.10/ 1M tokens
p50 TTFT442 ms7d
p95 TTFT442 ms7d
TRAFFIC510tokens / 7d
▶ Try in playground</> Use via API
Code samples
from openai import OpenAI

client = OpenAI(
    base_url="https://orcarouter.ai/v1",
    api_key="$ORCAROUTER_API_KEY",
)

response = client.chat.completions.create(
    model="z-ai/glm-4.5-air",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)
Pricing
Input / 1M tokens$0.200
Output / 1M tokens$1.10
Cache read / 1M$0.030
CurrencyUSD
Performancelast 7 days
TTFT p50
442 ms
Output speed
72.4 tok/s
TTFT p95
442 ms
Error rate
0%
Public benchmarksLast evaluated 2025-07-28
AA Coding
23.8
AA Intelligence
23.2
AA Math
80.7
AIME
67.3
AIME 2025
80.7
GPQA Diamond
73.3
Humanity's Last Exam
6.8
IFBench
37.6
LiveCodeBench
68.4
Long-Context Recall
43.7
MATH-500
96.5
MMLU-Pro
81.5
SciCode
30.6
TerminalBench Hard
20.5
τ²-Bench
46.5
Source: artificialanalysis.ai
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FAQ
How much does Z.ai: GLM 4.5 Air cost on OrcaRouter?
Z.ai: GLM 4.5 Air is priced at $0.20 per 1M input tokens and $1.10 per 1M output tokens via OrcaRouter. Pricing is pulled live from the routing layer.
What is Z.ai: GLM 4.5 Air's context window?
Z.ai: GLM 4.5 Air supports a context window of 128K tokens. Use long-context features (RAG, summarisation) up to that limit.
How do I call Z.ai: GLM 4.5 Air via the OpenAI SDK?
Set OpenAI base_url to https://orcarouter.ai/v1, supply your OrcaRouter API key, and pass model="z-ai/glm-4.5-air" in the chat.completions.create call.
Does OrcaRouter rate-limit Z.ai: GLM 4.5 Air?
Per-model rate limits follow your OrcaRouter plan. Free tiers ship with conservative caps; paid tiers lift them. Check /pricing for current quotas.
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