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GLM-4.5-Air
zhipuai·zhipuai/glm-4.5-air·GA·Open weights·glm-air series
Lighter GLM-4.5 variant for fast coding assistance and cheaper agents
At a glance
Official price$0.20 / $1.10 per 1M
Cache read $0.03 · Z.AI
Lowest paid$0.114 / $0.286
302.AI Gateway · 2× spread
Context131,072
⚠ Providers report 128,000–131,072; the table below is authoritative
Output limit98,304
Capabilities
✓ Reasoning✓ Tool useStructured output✓ TemperatureAttachments
⚠ Providers report capability flags inconsistently
Modalities
Text
Knowledge cutoff2025-04
Released / updated2025-07-28 / 2025-07-28
Quality & performanceArtificial Analysis · Intelligence Index v4.1
Intelligence16.7
Value106
Coding—
Agentic—
Output speed77 tok/s
TTFT2.63 s
Value formulaIQ 16.7 ÷ min blended $0.157 = 106
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 16 providers15 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| 302.AI | Gateway | $0.114 | $0.286 | — | — | 131,072 | 98,304 | |
| submodel zai-org/GLM-4.5-Air | Gateway | $0.10 | $0.50 | — | — | 131,072 | 131,072 | |
| ZenMux | Gateway | $0.11 | $0.56 | $0.02 | — | 128,000 ⚠ | 64,000 | |
| NanoGPT zai-org/GLM-4.5-Air | Gateway | $0.12 | $0.80 | $0.06 | — | 128,000 ⚠ | 98,304 | |
| Hugging Face zai-org/GLM-4.5-Air | Cloud | $0.13 | $0.85 | — | — | 131,072 | 98,304 | |
| OpenRouter | Gateway | $0.13 | $0.85 | $0.025 | — | 131,072 | 98,304 | |
| NovitaAI | Gateway | $0.13 | $0.85 | $0.025 | — | 131,072 | 98,304 | |
| DevPass (LLM Gateway) | Gateway | $0.13 | $0.85 | $0.025 | $0 | 131,000 ⚠ | 98,304 | |
| Kilo Gateway | Gateway | $0.13 | $0.85 | $0.025 | — | 131,072 | 98,304 | |
| OrcaRouter | Gateway | $0.20 | $1.10 | $0.03 | $0 | 131,072 | 98,304 | |
| Z.AIOfficial | First-party | $0.20 | $1.10 | $0.03 | $0 | 131,072 | 98,304 | |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1302.AI$37.16
2ZenMux$39.20
3submodel$45.00
4OpenRouter$55.90
5NovitaAI$55.90
6DevPass (LLM Gateway)$55.90
12Z.AI · Official$74.60
Switch to 302.AI to save $37.44/mo (50%)
Note: this is a gateway; verify availability and rate limits yourself.
Benchmark3 items
| Name | Conditions | Score | Metric | Source |
|---|---|---|---|---|
| Artificial Analysis Coding Index | — | 23.8 | index | Source ↗ |
| SciCode | — | 30.6 | percent correct | Source ↗ |
| Terminal-Bench Hard | — | 20.5 | success rate | Source ↗ |
The same benchmark scores very differently across harness / dataset, so the qualifying conditions must be shown together.
Reasoning control
Toggle (on / off)effort = noneeffort = high
3 / 16 providers expose no reasoning control (reasoning_options: []).
Related models
zai-org/GLM-4.5-Airsame series$0.14 / $0.86GLM 4.5 Air (Thinking)same series$0.12 / $0.80GLM-4.5 Air (Z AI)same series$0.20 / $1.10DeepSeek V4 Flashcheaper alternative$0.14 / $0.28GPT-5 Nanocheaper alternative$0.05 / $0.40GLM-4.7-Flashcheaper alternative$0 / $0MiMo-V2.5cheaper alternative$0.14 / $0.28
Price historyone sample accumulated per data sync
Input listOutput listMin blended