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Grok 4.3

Model
SpaceXAIFamily Grok model familyactive

Cost-efficient Grok model distributed through cloud platforms including Amazon Bedrock.

Released
Jun 17, 2026
Context window
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Modality
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Open source
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API available
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Releases
1

Releases

1
Jun 17, 2026Grok 4.3 launches on Amazon BedrockGrok 4.3 · 4.3

SpaceXAI made Grok models including the cost-efficient Grok 4.3 available through Amazon Bedrock.

SpaceXAI Model releaseSpaceXAIGrok 4.3