Grok 4.1 Fast
Released 2025-11 · hybrid · 2.0M tokens · 0 benchmarks
Editorial notes
Lanzado 19 nov 2025. Cost-efficient con dual modes (Reasoning + Non-reasoning). Half hallucination rate vs Grok 4 Fast. Endpoints API grok-4-1-fast-{reasoning,non-reasoning} retirados 2026-05-15 por xAI. Pricing $0.20/$0.50 per MTok.
Spec sheet
- Company
- xAI
- Country
- US
- Type
- hybrid
- Release
- 2025-11
- Context
- 2.0M tokens
- Pricing (openrouter)
- $0.2/$0.5/M
- Slug
- grok-4-1-fast
No scores published for this model. The editorial notes have additional context.
Cite this model
BibTeX · APA
BibTeX
@misc{frontier-grok-4-1-fast,
title = {Grok 4.1 Fast},
author = {{xAI}},
year = {2025},
note = {Frontier Benchmarks AI atlas. Accessed 2026-05-08},
url = {https://frontierbenchmarks.com/models/grok-4-1-fast}
} APA
xAI (2025). Grok 4.1 Fast [Large language model]. Frontier Benchmarks AI. Retrieved 2026-05-08, from https://frontierbenchmarks.com/models/grok-4-1-fast
Citation reflects the atlas page, not the original model paper. For the paper, see the "Resources" section above.