Grok 4.1 Fast
Open in the interactive archive →
Overview
Fast/cost-efficient Grok 4.1 variant, added from official xAI announcement.
Details
- Vendor
- xAI
- Type
- Reasoning LLM
- Release year
- 2025
- Jurisdiction
- USA
- CEO
- Elon Musk
- Key staffers
- Igor Babuschkin (Co-Founder), Tony Wu (Co-Founder), Greg Yang, Toby Pohlen
- Deployment
- Cloud only (proprietary)
- Open source
- No
- Free tier
- No
- Subscription
- Paid API / subscription details vary by plan
- Stock status
- Private company
- X
- @xai
Capabilities
AppVoice Chat
Safety notes
Use official system card/docs for model-specific risk details.
Last verified 2026-05-12 · Primary source ↗
Cite this
“Grok 4.1 Fast.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/xai-grok-4-1-fast.html
More from xAI
Aurora (xAI) · Grok-1 (open) · Grok 1 · Grok 3 · Grok 4 · Grok Aurora