xAI: grok-4-0709
grok-4-0709
256K context256K outReasoningToolsVisionFilesCacheWeb search
Released Jul 9, 2025Knowledge cutoff 2024Updated Jul 9, 2025
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not exposed, reasoning cannot be disabled, and the reasoning effort cannot be specified. Pricing increases once the total tokens in a given request is greater than 128k tokens. See more details on the xAI docs
Mode chatDeprecation 2026
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Input price
$3.15/ 1M tokens
Output price
$15.75/ 1M tokens
Context window 256K tokensCompatible endpoints openaiVendor xAI
Performance
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