Grok 4.1 Model Card
xAI's model card for Grok 4.1, dated November 17, 2025 under its title.
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- xAI
- Authors credited
- No authorship claim recorded yet. The source record lists xAI.
- Dates
- Published 2025-11-17 issue evidence
The date printed under the title, day precision, without a label; the file name carries the same date. No revision date is printed.
- Exact source
- Grok 4.1 Model Card xAI · published 2025-11-17 · Retrieved for the candidate pack on 2026-11-02 (SHA-256 635f30c2ea83cd2b4a1ef46bb7626e8330b635e826c53a6e77f07b279780ad6d) directly from the publisher’s host. Retrieved again on 2026-11-03 with the same SHA-256. The archive capture was found by an index search of the Internet Archive on 2026-11-03; it was not opened, and its bytes are not authenticated.Archived copy, captured 2025-11-17: Grok 4.1 Model Card. Captured on the recorded publication date. An archive copy shows only what the archive retrieved on 2025-11-17. It does not prove what the page said earlier, and it can differ from the copy checked on 2026-11-02.
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Versions
xai-grok-4-1-model-card: 1 recorded version, oldest first, published by xAI. A version is shown as replacing another only where a record says so. Date order alone never implies it.
- 2025-11-17 · publishedAs dated November 17, 2025 under its title (this version)
This version
Provisions in this version · 10 quoted · 6 not found
A limited selection of quoted provisions: what this edition says about thresholds, required actions, who decides and exceptions, and other statements of the text. It is not a full summary and says nothing about implementation. A “not found” record states which part of the edition was inspected. It is not a claim that the text was deleted.
- Model-card questionCard date“Grok 4.1 Model Card xAI November 17, 2025”Title block, p. 1Inspect claim & evidence ↗
- Model-card questionRelease date“It is publicly available through our web and mobile consumer apps.”§1 Introduction, p. 1Inspect claim & evidence ↗
- Model-card questionFramework cited“In line with our Risk Management Framework (RMF), we measure safety-relevant behaviors across three categories”§1 Introduction, p. 1Inspect claim & evidence ↗
- Model-card questionLink to framework“xAI. xai risk management framework, 2025.”References, p. 6Inspect claim & evidence ↗
- Model-card questionSafeguards tied to determination“in response to these results, we have implemented initial mitigations with input filters for restricted chemical and biological knowledge”§2.3.2 Results, p. 5Inspect claim & evidence ↗
- Model-card questionChemical and biological“Grok 4.1 achieves broadly similar results to Grok 4 and other frontier models on chemical and biological capabilities tests.”§2.3.2 Results, p. 4Inspect claim & evidence ↗
- Model-card questionCyber“Grok 4.1 again performs similarly to other frontier models, but substantially below the level of human cybersecurity experiments”§2.3.2 Results, p. 5Inspect claim & evidence ↗
- Model-card questionPersuasion“we do not believe it poses risks due to advanced persuasion capabilities”§2.3.2 Results, p. 5Inspect claim & evidence ↗
- Model-card questionAlignment and deception“Overall, we find that training the model to be honest drops the rate at which Grok 4.1 lies.”§2.2.1 Deception, p. 3Inspect claim & evidence ↗
- Model-card questionStated limits“results in previous model cards were reported with an error in the evaluation settings, where only the English prompts were evaluated”§2.1.2 Evaluations, p. 2Inspect claim & evidence ↗
- Not found in the inspected textFramework determinationInspected: Grok 4.1 Model Card: Whole card.Inspect claim & evidence ↗
- Not found in the inspected textAutonomy and AI R&DInspected: Grok 4.1 Model Card: Whole card.Inspect claim & evidence ↗
- Not found in the inspected textRed-teamingInspected: Grok 4.1 Model Card: Whole card.Inspect claim & evidence ↗
- Not found in the inspected textExternal testersInspected: Grok 4.1 Model Card: Whole card, including references.Inspect claim & evidence ↗
- Not found in the inspected textGovernment instituteInspected: Grok 4.1 Model Card: Whole card.Inspect claim & evidence ↗
- Not found in the inspected textRelease decisionInspected: Grok 4.1 Model Card: Whole card.Inspect claim & evidence ↗
Earliest version recorded here; no replacement is recorded.
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