# NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 vs GLM 5 Fp4

On provider list prices, NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 costs $0.60 per million input tokens against $1 for GLM 5 Fp4: 1.7x apart. Output is $3.60 against $3.20. On Allocate both bill at list plus the 7% transaction fee.

## Specifications

| | NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 | GLM 5 Fp4 |
| --- | --- | --- |
| Lab | NVIDIA | Zai Org |
| Access | API only | Open weights |
| Context window | 512K tokens | 198K tokens |
| List price, input | $0.60 / M tokens | $1 / M tokens |
| List price, output | $3.60 / M tokens | $3.20 / M tokens |
| Cached input | $0.20 / M tokens | n/a |
| License | Proprietary API | Not listed |
| Fine-tunable | No | 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 $1,980 a month on NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 and $2,320 on GLM 5 Fp4 at list: a gap of $340, or 1.2x.

NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 reads 512K tokens per request against 198K for GLM 5 Fp4, 2.5x the window. That decides which one can take whole documents without splitting them.

## Choose NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 for

- The lower list price ($0.60 in / $3.60 out per M tokens)
- The longer context window (512K vs 198K tokens)
- Published cached-input pricing ($0.20 per M tokens)

## Choose GLM 5 Fp4 for

- Open weights you can fine-tune and own

## Common questions

### Which is cheaper, NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 or GLM 5 Fp4?

NVIDIA Nemotron 3 Ultra 550B A55B NVFP4, on this workload shape. At list prices it is $0.60/$3.60 per million tokens in and out against $1/$3.20 for GLM 5 Fp4. Billed on Allocate: $0.64/$3.85 against $1.07/$3.42, list plus 7%.

### Which has the bigger context window?

NVIDIA Nemotron 3 Ultra 550B A55B NVFP4: 512,288 tokens (512K) against 202,752 (198K) for GLM 5 Fp4.

### Can I fine-tune NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 or GLM 5 Fp4?

GLM 5 Fp4 publishes open weights (Not listed) and can be fine-tuned on your own data. NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 is a closed model served over API; its weights are not available.

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[HTML page](https://allocate.network/compare/nvidia-nemotron-3-ultra-550b-a55b-vs-z-ai-glm-5) · [NVIDIA Nemotron 3 Ultra 550B A55B NVFP4](https://allocate.network/models/nvidia-nemotron-3-ultra-550b-a55b.md) · [GLM 5 Fp4](https://allocate.network/models/z-ai-glm-5.md) · [Machine-readable catalog](https://allocate.network/catalog.json)