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xAI: Grok 4

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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...

Context window
256,000 tokens
Input cost
$3.00 / 1M
Output cost
$15.00 / 1M
Latency (p50)