Z.ai: GLM 4.5 Air
z-ai/glm-4-5-airGLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications.
Modalities
In / out per 1M$0.13 / $0.85
Context128K
ReleasedJul 25, 2025
Providers
3 providers serve this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
| $0.13 | $0.85 | $0.03 | 0.73s | 47 tps | 99.97% | |
| $0.20 | $1.10 | $0.03 | 1.78s | 49 tps | 99.37% | |
 SiliconFlowfp8 | $0.14 | $0.86 | Variable | 1.28s | 22 tps | 97.62% |
Market-wide measurements, refreshed every 15 minutes. They describe who serves GLM 4.5 Air in general, not how ProjectCOZY routes your requests.
Pricing
List rates per 1M tokens — what GLM 4.5 Air costs pay-as-you-go elsewhere, not what you pay here.
Input
$0.13
per 1M tokens
Output
$0.85
per 1M tokens
Cache read
$0.03
per 1M cached tokens
Included in every pass
GLM 4.5 Air is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.
Performance
Time to first token and output speed across every provider, over the last 3 days.
0.0s2.0s4.0s6.0s8.0s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
SiliconFlow Z.ai NovitaAI
0 tok/s100 tok/s200 tok/s300 tok/s400 tok/s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
SiliconFlow Z.ai NovitaAI
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.5%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 99.92%
100% 98% 97% 95%
Oct 13, 2:40 PMNow
Apps
Tools that most often run GLM 4.5 Air, by tokens this week.
Activity
45.1B tokens processed market-wide in the last month.
01.0B2.0B3.0B4.0B
Sep 14Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14
Tokens
FAQ
Which model id do I use for GLM 4.5 Air?
z-ai/glm-4.5-air. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does GLM 4.5 Air hold?
131,072 tokens per request, of which up to 98,304 can be the response.
What can it accept and return?
Input: text. Output: text.
What does GLM 4.5 Air cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $0.13 per 1M input tokens and $0.85 per 1M output tokens.
How current is its knowledge?
Training data runs to Dec 2024. Anything later has to come from your prompt or a tool call.
Who built GLM 4.5 Air?
Z.ai, in the GLM family.
Explore
Other models your pass can call.
