What the evidence says
These facts come from the reviewed Epoch AI catalog artifact and its linked primary record. They describe the model. They do not rank it.
- Developer [1]
- xAI
- Released [1]
- November 17, 2025
- Domains [1]
- Language
- Tasks [1]
- Language modeling/generation · Question answering · Mathematical reasoning · Quantitative reasoning · Code generation
- Access [1]
- API access
- Weights [1]
- Closed
Where it may fit
These are evidence-bounded screening suggestions, not performance claims or purchase recommendations.
Mixed reasoning evaluation
Consider it for an API evaluation spanning mathematical, quantitative, and question-answering tasks.
Evidence fields: tasks, access [1]
Hosted code-generation trials
Consider it for testing code generation through managed API access.
Evidence fields: tasks, access, openWeights [1]
Limitations
The record does not provide benchmark results, context window, price, latency, tool-use details, or safety evaluations. Listed tasks indicate intended scope, not measured performance.
Current standing
According to the LMArena snapshot published July 12, 2026, no exact match for this catalog record appears in the style-controlled text category, so this page reports no current rating for Grok 4.1.
Head-to-head comparisons
Source-backed pair pages that put Grok 4.1 next to another documented model. None declares a winner beyond what a named source's numbers say.