# Grok Build 0.1 vs GLM 4.6 Fp8

On provider list prices, GLM 4.6 Fp8 costs $0.60 per million input tokens against $1 for Grok Build 0.1: 1.7x apart. Output is $2.20 against $2.

## Specifications

| | Grok Build 0.1 | GLM 4.6 Fp8 |
| --- | --- | --- |
| Lab | SpaceXAI | Zai Org |
| Access | API only | Open weights |
| Context window | 256K tokens | 198K tokens |
| List price, input | $1 / M tokens | $0.60 / M tokens |
| List price, output | $2 / M tokens | $2.20 / M tokens |
| Cached input | $0.20 / M tokens | n/a |
| License | Proprietary API | MIT |
| Fine-tunable | No | Yes |

Specifications and provider list prices from the Allocate catalog, checked 2026-07-21.

## What the numbers say

Take 1,000,000 requests a month at 1,200 input and 350 output tokens each. That workload costs $1,490 a month on GLM 4.6 Fp8 and $1,900 on Grok Build 0.1 at list: a gap of $410, or 1.3x.

Grok Build 0.1 reads 256K tokens per request against 198K for GLM 4.6 Fp8, 1.3x the window. That decides which one can take whole documents without splitting them.

## Choose Grok Build 0.1 for

- The longer context window (256K vs 198K tokens)
- Published cached-input pricing ($0.20 per M tokens)

## Choose GLM 4.6 Fp8 for

- The lower list price ($0.60 in / $2.20 out per M tokens)
- Open weights you can fine-tune and own
- Fine-tuning under a permissive license (MIT)

## Common questions

### Which is cheaper, Grok Build 0.1 or GLM 4.6 Fp8?

GLM 4.6 Fp8, on this workload shape. At list prices it is $0.60/$2.20 per million tokens in and out against $1/$2 for Grok Build 0.1. Billed on Allocate: $0.64/$2.35 against $1.07/$2.14.

### Which has the bigger context window?

Grok Build 0.1: 256,000 tokens (256K) against 202,752 (198K) for GLM 4.6 Fp8.

### Can I fine-tune Grok Build 0.1 or GLM 4.6 Fp8?

GLM 4.6 Fp8 publishes open weights (MIT) and can be fine-tuned on your own data. Grok Build 0.1 is a closed model served over API; its weights are not available.

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[HTML page](https://allocate.network/compare/xai-grok-build-0-1-vs-z-ai-glm-4-6) · [Grok Build 0.1](https://allocate.network/models/xai-grok-build-0-1.md) · [GLM 4.6 Fp8](https://allocate.network/models/z-ai-glm-4-6.md) · [Machine-readable catalog](https://allocate.network/catalog.json)