Grok 4.1 Fast
validasserted
- Valid from
- 2025-11-19
- Valid until
- still holds
- Published
- 2025-11-19
- Recorded by AsOf
- 2026-10-29
- Checked
- 2026-10-29 · its source page states the value and the date
- Confidence
- 0.70
Sources
“Today, we’re excited to launch two powerful new additions to the xAI API: Grok 4.1 Fast , our best tool-calling model with a 2M context window.”— what the page says, read 2026-10-29
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