# GLM 4.5 Air vs Glm 4.5 Air Fp8

On provider list prices, GLM 4.5 Air costs $0.20 per million input tokens against $0.20 for Glm 4.5 Air Fp8: effectively level. Output is $1.10 against $1.10. On Allocate both bill at list plus the 7% transaction fee.

## Specifications

| | GLM 4.5 Air | Glm 4.5 Air Fp8 |
| --- | --- | --- |
| Lab | Z.ai | Zai Org |
| Access | Open weights | Open weights |
| Context window | 128K tokens | 128K tokens |
| List price, input | $0.20 / M tokens | $0.20 / M tokens |
| List price, output | $1.10 / M tokens | $1.10 / M tokens |
| Cached input | $0.03 / M tokens | n/a |
| License | MIT | MIT |
| Fine-tunable | Yes | Yes |

Specifications and provider list prices from the Allocate catalog, checked 2026-07-08. Billed price is list plus the 7% transaction fee.

## What the numbers say

Take 1,000,000 requests a month at 1,200 input and 350 output tokens each. That workload costs $625 a month on GLM 4.5 Air and $625 on Glm 4.5 Air Fp8 at list: a gap of $0.

## Choose GLM 4.5 Air for

- Fine-tuning under a permissive license (MIT)
- Published cached-input pricing ($0.03 per M tokens)

## Choose Glm 4.5 Air Fp8 for

- Fine-tuning under a permissive license (MIT)

## Common questions

### Which is cheaper, GLM 4.5 Air or Glm 4.5 Air Fp8?

GLM 4.5 Air, on this workload shape. At list prices it is $0.20/$1.10 per million tokens in and out against $0.20/$1.10 for Glm 4.5 Air Fp8. Billed on Allocate: $0.21/$1.18 against $0.21/$1.18, list plus 7%.

### Which has the bigger context window?

They match: both read 131,072 tokens (128K) per request.

### Can I fine-tune GLM 4.5 Air or Glm 4.5 Air Fp8?

Both publish open weights (GLM 4.5 Air: MIT; Glm 4.5 Air Fp8: MIT), so both can be fine-tuned. On Allocate the trained weights stay inside your boundary and belong to you.

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[HTML page](https://allocate.network/compare/z-ai-glm-4-5-air-vs-z-ai-glm-4-5-air-fp8) · [GLM 4.5 Air](https://allocate.network/models/z-ai-glm-4-5-air.md) · [Glm 4.5 Air Fp8](https://allocate.network/models/z-ai-glm-4-5-air-fp8.md) · [Machine-readable catalog](https://allocate.network/catalog.json)