Models · xAI

Grok 4.20

Released 31 Mar 2026Sees imagesTool useReasoning

Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...

Input$1.25₹110 · per 1M tokens
Output$2.50₹220 · per 1M tokens
Context2Mtokens it can read at once
Max output1.8Mtokens per reply

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What would it cost?

  • Grok 4.20$26.25 · ₹2,310 a month · $0.003 · ₹0.23 each

Estimate from list prices per token, at ₹88/$. Caching, batch discounts and taxes aren't included. A token is about ¾ of a word.