# Claude Sonnet 5 vs GLM 4.7 FP8

On provider list prices, GLM 4.7 FP8 costs $0.45 per million input tokens against $3 for Claude Sonnet 5: 6.7x apart. Output is $2 against $15 (7.5x). On Allocate both bill at list plus the 7% transaction fee.

## Specifications

| | Claude Sonnet 5 | GLM 4.7 FP8 |
| --- | --- | --- |
| Lab | Anthropic | Zai Org |
| Access | API only | Open weights |
| Context window | 1M tokens | 198K tokens |
| List price, input | $3 / M tokens | $0.45 / M tokens |
| List price, output | $15 / M tokens | $2 / M tokens |
| Cached input | n/a | n/a |
| License | Proprietary API | MIT |
| 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 $1,240 a month on GLM 4.7 FP8 and $8,850 on Claude Sonnet 5 at list: a gap of $7,610, or 7.1x.

Claude Sonnet 5 reads 1M tokens per request against 198K for GLM 4.7 FP8, 4.9x the window. That decides which one can take whole documents without splitting them.

## Choose Claude Sonnet 5 for

- Judgment calls with policy context
- Customer-facing writing
- Review and escalation flows

## Choose GLM 4.7 FP8 for

- The lower list price ($0.45 in / $2 out per M tokens)
- Open weights you can fine-tune and own
- Fine-tuning under a permissive license (MIT)

## Common questions

### Which is cheaper, Claude Sonnet 5 or GLM 4.7 FP8?

GLM 4.7 FP8, on this workload shape. At list prices it is $0.45/$2 per million tokens in and out against $3/$15 for Claude Sonnet 5. Billed on Allocate: $0.48/$2.14 against $3.21/$16.05, list plus 7%.

### Which has the bigger context window?

Claude Sonnet 5: 1,000,000 tokens (1M) against 202,752 (198K) for GLM 4.7 FP8.

### Can I fine-tune Claude Sonnet 5 or GLM 4.7 FP8?

GLM 4.7 FP8 publishes open weights (MIT) and can be fine-tuned on your own data. Claude Sonnet 5 is a closed model served over API; its weights are not available.

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[HTML page](https://allocate.network/compare/sonnet-5-vs-z-ai-glm-4-7) · [Claude Sonnet 5](https://allocate.network/models/sonnet-5.md) · [GLM 4.7 FP8](https://allocate.network/models/z-ai-glm-4-7.md) · [Machine-readable catalog](https://allocate.network/catalog.json)