xAI: Grok 4

xAI: Grok 4

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.

ConversationReasoningCode GenerationAnalysis
Provider
Xai
Release Date
2025-07-09
Size
LARGE
Parameters
Not disclosed

Benchmark Performance

Performance metrics on industry standard AI benchmarks that measure capabilities across reasoning, knowledge, and specialized tasks.

GPQA

87-88%
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AIME 25

95%
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SWE-bench

72-75% (Grok 4 Code)
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Humanity Last Exam

35-45%
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Model Insights

All Model Responses

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