# GLM 5.3 Fast API prices

GLM 5.3 Fast (glm) — 1.0M context, 262k max output.
5 metered per-token offers from 4 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| Baseten | $2.1 | $6.6 | — | 1.0M |
| Fireworks AI | $2.1 | $6.6 | $0.39 | 1.0M |
| Fireworks AI | $2.1 | $6.6 | $0.39 | 1.0M |
| Vercel AI Gateway | $2.1 | $6.6 | $0.21 | 1.0M |
| Inco | $2.8 | $8.8 | — | 1.0M |

## Summary

- Cheapest input: $2.1 per 1M tokens (Baseten)
- Cheapest output: $6.6 per 1M tokens (Baseten)
- First-party: not listed separately
- Free offers: none
- Subscription plans (not per-token): none
- Released: 2026-08-14
- Inputs: image, text

## FAQ

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

As of Oct 4, 2026, Baseten has the lowest GLM 5.3 Fast output price at $6.6 per 1M tokens, and Baseten has the lowest input price at $2.1 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 Fast?

4 providers list GLM 5.3 Fast on Sovyron; 5 of them sell it at a metered per-token price.

### Is GLM 5.3 Fast free?

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

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

GLM 5.3 Fast supports a 1.0M-token context window and up to 262k output tokens.

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