xAI's reasoning model with real-time X data and DeepSearch
Updated means this listing was last refreshed on May 3, 2026.
Grok 4 by xAI features real-time data from X, DeepSearch for extended reasoning, and competitive API pricing at $2/$6 per million tokens. Available via SuperGrok subscription.
87.6% SWE-bench — the strongest coding model available
OpenAI's latest fully retrained foundation model with parallel reasoning
The world's most popular AI assistant — now powered by GPT-5.5
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Free (X)
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SuperGrok
Full Grok 4, DeepSearch
Heavy
Unlimited, priority, extended
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