Key dates, capabilities, and model metadata.
20 Sept 2025
20 Sept 2025
License
Proprietary
Input
Output
Headline benchmark standings and comparison context.
Top benchmark results for x-ai/grok-4-fast-reasoning.
Detailed benchmark comparisons now live in the Compare tool.
data.x.ai
No API pricing or subscription plan information is available for this model yet.
If you know providers we can integrate, please tell us on Discord or open an issue on GitHub so we can add pricing data.Open an issue
