All Models

Grok 4.1 Fast Reasoning

grok Reasoning Tool Calling Attachments Structured Output
Providers 8
Released Jun 27, 2025
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Benchmarks

30.6
Intelligence Index
89.3
Math Index

Available Providers (8)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Jiekou.AI grok-4-1-fast-reasoning $0.18/MTok $0.45/MTok 2M 2M
Vercel AI Gateway xai/grok-4.1-fast-reasoning $0.20/MTok $0.50/MTok 1M 1M
302.AI grok-4-1-fast-reasoning $0.20/MTok $0.50/MTok 2M 30K
LLM Gateway grok-4-1-fast-reasoning $0.20/MTok $0.50/MTok 2M 30K
Azure grok-4-1-fast-reasoning $0.20/MTok $0.50/MTok 128K 8.2K
FrogBot grok-code-fast-1 $0.20/MTok $1.50/MTok 256K 128K
FrogBot grok-4-1-fast-reasoning $0.20/MTok $0.50/MTok 2M 128K
Poe xai/grok-4.1-fast-reasoning —/MTok —/MTok 2M 30K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output