How much does Grok 4.3 cost per 1M tokens?

Grok 4.3 is priced at $1.25 per 1M input tokens and $2.50 per 1M output tokens on openrouter. This is a stored listed price and may differ from current provider terms; verify the displayed source link before making a decision.

Who provides Grok 4.3?

Grok 4.3 is provided by X-ai. ModelPriceLab also tracks third-party platforms that resell or proxy this model.

What does the price record timestamp mean?

It shows when ModelPriceLab's stored record changed. It is not an independent source-verification timestamp; confirm current pricing with the provider or platform.

What is the context window for Grok 4.3?

Grok 4.3 supports up to 1,000,000 tokens per request, with a max output of 900,000 tokens.

ModelPriceLab

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X-ai Grok 4.3 API Pricing — Token Costs & Alternatives

X-ai

Grok 4.3 pricing

Compare stored list-price records, context window, and recent API changes. Source links are shown where available; verify current provider terms before deciding.

Input / 1M Tokens

$1.25

Output / 1M Tokens

$2.50

Context window

1,000,000

Record updated 2026-09-03 · openrouter

Model details Vendor API pricing Related API changes Check stack cost impact

Pricing per platform

Same model, different platforms. Cached input prices apply when supported.

Platform	Region	Input / 1M	Output / 1M	Cached input	Context
openrouter View source	global	$1.25	$2.50	$0.20	1,000,000

Price history

Stored record history where available. Timestamps reflect database updates, not independent source verification.

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Monthly Input (Millions)

Monthly Output (Millions)

Cache Hit Ratio20%

Percentage of input tokens that match cached context.

Lowest listed-rate estimate

Grok 4.3

x-ai

$7.70/mo

Monthly cost comparison

x-ai

Grok 4.3

$7.70/mo

Input$5.00

Cached input$0.20

Output$2.50

Lowest cost in this comparison

Frequently asked questions

How much does Grok 4.3 cost per 1M tokens?: Grok 4.3 is priced at $1.25 per 1M input tokens and $2.50 per 1M output tokens on openrouter. This is a stored listed price and may differ from current provider terms; verify the displayed source link before making a decision.
Who provides Grok 4.3?: Grok 4.3 is provided by X-ai. ModelPriceLab also tracks third-party platforms that resell or proxy this model.
What does the price record timestamp mean?: It shows when ModelPriceLab's stored record changed. It is not an independent source-verification timestamp; confirm current pricing with the provider or platform.
What is the context window for Grok 4.3?: Grok 4.3 supports up to 1,000,000 tokens per request, with a max output of 900,000 tokens.

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