# GLM 5.3 Prime API prices

GLM 5.3 Prime (glm) — 1.0M context, 131k max output.
2 metered per-token offers from 2 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| Kilo Gateway | $2.8 | $8.8 | $0.56 | 1.0M |
| OpenRouter | $2.8 | $8.8 | $0.56 | 1.0M |

## Summary

- Cheapest input: $2.8 per 1M tokens (Kilo Gateway)
- Cheapest output: $8.8 per 1M tokens (Kilo Gateway)
- First-party: not listed separately
- Free offers: none
- Subscription plans (not per-token): none
- Released: 2026-09-23
- Inputs: text

## FAQ

### What is the cheapest GLM 5.3 Prime API?

As of Oct 4, 2026, Kilo Gateway has the lowest GLM 5.3 Prime output price at $8.8 per 1M tokens, and Kilo Gateway has the lowest input price at $2.8 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

### How many providers offer GLM 5.3 Prime?

2 providers list GLM 5.3 Prime on Sovyron; 2 of them sell it at a metered per-token price.

### Is GLM 5.3 Prime free?

No provider in the Sovyron catalog lists a free tier for GLM 5.3 Prime.

### What is the context window of GLM 5.3 Prime?

GLM 5.3 Prime supports a 1.0M-token context window and up to 131k output tokens.

HTML page: https://sovyron.com/models/glm-5-3-prime/
Full dataset: https://sovyron.com/data/catalog.json