# grok-4-fast-reasoning API prices

grok-4-fast-reasoning (grok) — 2.0M context, 2.0M max output.
4 metered per-token offers from 5 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| Jiekou.AI | $0.18 | $0.45 | — | 2.0M |
| 302.AI | $0.2 | $0.5 | — | 2.0M |
| Helicone | $0.2 | $0.5 | $0.05 | 2.0M |
| Poe | $0.2 | $0.5 | $0.05 | 2.0M |

## Summary

- Cheapest input: $0.18 per 1M tokens (Jiekou.AI)
- Cheapest output: $0.45 per 1M tokens (Jiekou.AI)
- First-party: not listed separately
- Free offers: none
- Subscription plans (not per-token): none
- Released: 2025-09-01
- Inputs: audio, image, text, video

## FAQ

### What is the cheapest grok-4-fast-reasoning API?

As of Oct 4, 2026, Jiekou.AI has the lowest grok-4-fast-reasoning output price at $0.45 per 1M tokens, and Jiekou.AI has the lowest input price at $0.18 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

### How many providers offer grok-4-fast-reasoning?

5 providers list grok-4-fast-reasoning on Sovyron; 4 of them sell it at a metered per-token price.

### Is grok-4-fast-reasoning free?

No provider in the Sovyron catalog lists a free tier for grok-4-fast-reasoning.

### What is the context window of grok-4-fast-reasoning?

grok-4-fast-reasoning supports a 2.0M-token context window and up to 2.0M output tokens.

HTML page: https://sovyron.com/models/grok-4-fast-reasoning/
Full dataset: https://sovyron.com/data/catalog.json