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Grok 4.3

xAI1M contextVisionReasoningTool callingWeb search

LMArena score 1397 · #157 overall · #153 in coding (2026-10-13)

Official price from xAI

Pricing page

Per million tokens

Input
$1.25
Output
$2.50
Cached input
$0.20
Batch input / output
$1.00 / $2.00
  • Long prompts are priced higher above a context threshold; these are the starting prices.
  • Up to 1M output tokens per request.

Estimate your monthly cost

Est. per month = input tokens × input price + output tokens × output price. Prices are per million tokens, so 10M input tokens at $3.00 cost $30.

From xAI: $17.50 a month.

Where to buy it (3)

Sorted by your monthly estimate. Prices per million tokens.

  • Microsoft Foundry

    Input / output
    $1.25 / $2.50
    Context
    200K
    Per month
    $17.50

    azure_ai/grok-4.3

  • Google Vertex AI

    Input / output
    $1.25 / $2.50
    Context
    200K
    Per month
    $17.50

    vertex_ai/xai/grok-4.3

  • xAIOfficial

    Input / output
    $1.25 / $2.50
    Context
    1M
    Per month
    $17.50

    xai/grok-4.3

Cloud and hosted sellers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling, Web search.

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