grok-4
completions
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](https://docs.x.ai/docs/models/grok-4-0709)
Input:$3 / 1M tokens•$0.75 / 1M tokenscached
Output:$15 / 1M tokens
Context:256K tokens
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Category Rankings
academia#1
finance#2
marketing#9
maths#2
programming#1
science#1
writing#12
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Model Parameters
11 availableinclude_reasoning
logprobs
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structured_outputs
temperature
012
tool_choice
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top_p
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