Is Grok 4 1 Fast available on other providers?

Yes. Grok 4 1 Fast is available on Openrouter. Openrouter offers 80% cheaper output pricing.

Has Grok 4 1 Fast pricing changed?

Yes. Grok 4 1 Fast has had 2 pricing periods. Check the pricing history section for full details including percentage changes.

xAIVisionTool use

Grok 4 1 Fast pricing

Grok 4 1 Fast appears on 2 price rows here. Lowest input is $0.200 per million tokens from Openrouter. Lowest output is $0.500 per million tokens from Openrouter. Use the table and chart, then the calculator for your own volume.

2.0M context·2 providers·save up to 84% vs native via Openrouter·verified Aug 30, 2026

Estimate cost Compare with GPT-4o Pick any other model

Best input$0.200per 1M tokens · Openrouter

Best output$0.500per 1M tokens · Openrouter

Pricing across providers

Every row is a seller of Grok 4 1 Fast with token pricing we track. The cheapest input in this snapshot is from Openrouter. The bar chart shows the same input and output dollars per million for a quick scan.

Openrouter

Input / 1M

$0.200

Output / 1M

$0.500

xAInative

Input / 1M

$1.25

Output / 1M

$2.50

Cached in: $0.200

Provider	Input / 1M	Output / 1M	Cached input	Batch
O Openrouter	$0.200	$0.500	—	—
X xAInative	$1.25	$2.50	$0.200	—

Input vs output · per provider

Pricing history

We keep a short log when the native list price for Grok 4 1 Fast changes so you can audit past public numbers. The native listing moved from $0.200 in and $0.500 out to $1.25 in and $2.50 out in the latest window.

Since Aug 30, 2026
$1.25 in · $2.50 out(current listing)
Output rate +400% vs previous period
Apr 7, 2026 → Aug 30, 2026
$0.200 in · $0.500 out

Cost calculator

Pick any of the providers above and type how many tokens you expect per day, week, or year. We turn that into rough dollar totals for Grok 4 1 Fast.

Provider

In: $0.200/M·Out: $0.500/M

Requests / day

Avg input tokens

0.020000¢ / req

Avg output tokens

0.025000¢ / req

Daily

$4.50

Monthly

$135

Annual

$1.6K

82% cheaper than the native API at this usage level

Model specifications

Quick spec sheet for Grok 4 1 Fast before you dive back into pricing. Reported under xAI.

Context window: 2,000,000 tokens
Max output: 2,000,000 tokens
Vision (images): Yes
Tool / function calling: Yes
Streaming: No
Released: N/A
Primary provider: xAI
Model family: N/A

Compare Grok 4 1 Fast

Open a pair page to see Grok 4 1 Fast next to another model with a shared provider matrix. 6 shortcuts below.

Locked

Compare with

Pick a model on both sides.

Popular Grok 4 1 Fast comparisons

Frequently asked questions

Quick frequently asked items for Grok 4 1 Fast pricing and limits.

Grok 4 1 Fast costs $1.25 per million input tokens and $2.50 per million output tokens via the native API. Prompt caching reduces input costs to $0.20/M tokens.

Related models

Models close to Grok 4 1 Fast by family, provider, and context window — each with live pricing in our catalog.