Grok 4 is an AI model from xAI in the Grok series. Agent Mag tracks its context window, pricing, modalities, and supported API parameters on this page.

How do you use Grok 4?

Grok 4 can be called through OpenRouter's OpenAI-compatible API using the model ID x-ai/grok-4. This page includes a ready-to-run curl example and the supported parameter list.

Grok 4 is a paid model in the OpenRouter catalog, with separate input and output token pricing shown on this page.

Grok 4

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xAIGrok

Grok 4

256K context

$3.00/M input

$15.00/M output

Grok 4 is an AI model from xAI built for agent workflows, with support for image, text, file input and text output. 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...

What is Grok 4?

Grok 4 is an AI model from xAI that Agent Mag tracks for pricing, context window, modalities, benchmarks, and API compatibility. Builders can use this page to compare Grok 4 against other models for agent workflows and production deployments.

Model ID

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...

Modalities

Input

imagetextfile

Output

text

Supported Parameters

include_reasoninglogprobsmax_tokensreasoningresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_logprobstop_p

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What is Grok 4?

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