<- All Models
Grok 4.20 Reasoning
xAI flagship reasoning model with a 1M token context window. Deep reasoning and problem-solving with text and image inputs.
1M context·$1.25 in·$2.50 out·Mar 2026 release·Vision, Reasoning, Tools / functions, Web search
Available on
Providers
Where Grok 4.20 Reasoning runs in Big-AGI, with each service's own model ID and USD-per-1M-token rates. The summary above prefers the creator's claim; rates below are each service's own.
ServiceModel IDContextInputOutputCache read
Run Grok 4.20 Reasoning in Big-AGI.
Connect your own key on any of the services above, at their rates, no markup - and run it side by side with every other model.
Launch Big-AGIBIG-AGI
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