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NeuronFeed
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xAI

xAI Grok API — free tier on signup

xAI offers a free tier for the Grok API so developers can prototype with Grok-4 and Grok-Code before adding billing.

No code needed — discount applied automatically. Claim deal

Terms: Rate-limited.

Terms

Rate-limited.

About xAI

xAI

Verified
US est. 2023

AI designed to understand the universe

Raised
$56B
Stage
S-E
90

xAI was founded by Elon Musk in 2023 to build artificial intelligence that advances human understanding of the universe. Its flagship product Grok is a conversational AI assistant integrated into X (formerly Twitter), offering real-time web search and multimodal capabilities. xAI raised $20B in early 2026 and is developing Colossus, the world's largest AI training supercluster.

Full profile

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