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Grok 4.20

Model Sep 22, 2026

An xAI Grok family with reasoning, non-reasoning and multi-agent variants.

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Grok 4.20 at a glance

An xAI Grok family with reasoning, non-reasoning and multi-agent variants.

  • Provider: xAI
  • Focus: reasoning, multi-agent
  • Access: Provider catalog

Access and deployment

Grok 4.20 is listed here under xAI’s model catalog. Use that catalog to confirm the exact API identifier and current availability; the display name on this page is not an API alias.

Evaluation checklist

Compare output quality, supported inputs, context limits and total inference cost on the same workload. A family name or parameter count is not a quality benchmark.

Confirm whether a listed ID is stable, beta or date-pinned, and compare reasoning and non-reasoning variants separately.

Pricing and usage limits

Pricing, quotas and license conditions are not independently verified in this entry. Check the linked official source before choosing a production deployment. For a hosted deployment, check input and output charges, regional availability and rate limits for the exact model ID.

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