Grok 4 Fast
validasserted
- Valid from
- 2025-09-19
- Valid until
- still holds
- Published
- 2025-09-19
- Recorded by AsOf
- 2026-10-29
- Checked
- 2026-10-31 · its source page states the value and the date
- Confidence
- 0.70
Sources
“Sep 19, 2025 Grok 4 Fast Pushing the Frontier of Cost-Efficient Intelligence We're thrilled to present Grok 4 Fast, our latest advancement in cost-efficient reasoning models.”— what the page says, read 2026-10-31
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