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/Grok 4.3
Grok

Grok 4.3

xAI's Grok 4.3 line, with competitive reasoning and fast skill use.

Capabilities:

Input
  • Text input
  • Image input (vision)
  • File input (PDF)
  • Audio input
  • Video input
Output
  • Text output
  • Image output
  • Audio output
Pricing & availability:

  • OpenRouterOpenRouter

    $1.25 / $2.5 per M
Strengths:
reasoningskill usespeed
Sources:
OpenRouterOpenRouter
Share:
Details:

  • GrokProvider

    xAI

  • Context window

    131K

  • Input price

    $3/M

  • Output price

    $15/M

  • Open weights

    No

  • Released

    May 2026
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Benchmark scores:
BenchmarkRankScore
  • Artificial Analysis Intelligence Index logoArtificial Analysis Intelligence Index
    Rank—
    Score37.6
More xAI models:
Grok Build 0.1Grok 4.20 Multi-AgentGrok 4.20