# Claude Opus 4.8 vs GLM 4.7 FP8

On provider list prices, GLM 4.7 FP8 costs $0.45 per million input tokens against $5 for Claude Opus 4.8: 11.1x apart. Output is $2 against $25 (12.5x). On Allocate both bill at list plus the 7% transaction fee.

## Specifications

| | Claude Opus 4.8 | GLM 4.7 FP8 |
| --- | --- | --- |
| Lab | Anthropic | Zai Org |
| Access | API only | Open weights |
| Context window | 200K tokens | 198K tokens |
| List price, input | $5 / M tokens | $0.45 / M tokens |
| List price, output | $25 / 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 $14,750 on Claude Opus 4.8 at list: a gap of $13,510, or 11.9x.

GLM 4.7 FP8 reads 198K tokens per request against 200K for Claude Opus 4.8, 1.0x the window. That decides which one can take whole documents without splitting them.

## Choose Claude Opus 4.8 for

- Hardest reasoning problems
- High-stakes analysis
- Escalation tier for agents

## Choose GLM 4.7 FP8 for

- The lower list price ($0.45 in / $2 out per M tokens)
- The longer context window (198K vs 200K tokens)
- Open weights you can fine-tune and own

## Common questions

### Which is cheaper, Claude Opus 4.8 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 $5/$25 for Claude Opus 4.8. Billed on Allocate: $0.48/$2.14 against $5.35/$26.75, list plus 7%.

### Which has the bigger context window?

GLM 4.7 FP8: 202,752 tokens (198K) against 200,000 (200K) for Claude Opus 4.8.

### Can I fine-tune Claude Opus 4.8 or GLM 4.7 FP8?

GLM 4.7 FP8 publishes open weights (MIT) and can be fine-tuned on your own data. Claude Opus 4.8 is a closed model served over API; its weights are not available.

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[HTML page](https://allocate.network/compare/opus-4-8-vs-z-ai-glm-4-7) · [Claude Opus 4.8](https://allocate.network/models/opus-4-8.md) · [GLM 4.7 FP8](https://allocate.network/models/z-ai-glm-4-7.md) · [Machine-readable catalog](https://allocate.network/catalog.json)