All Models

grok-4-1-fast-reasoning

grok Reasoning Tool Calling Attachments Structured Output

Fast Grok model for responsive chat, reasoning, and tool-assisted work

Providers 8
Released Jun 27, 2025
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Benchmarks

31.3
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
302.AI 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
Vercel AI Gateway spacexai/grok-4.1-fast-reasoning $0.20/MTok $0.50/MTok 1M 1M
DevPass (LLM Gateway) grok-4-1-fast-reasoning $0.20/MTok $0.50/MTok 2M 30K
Poe xai/grok-4.1-fast-reasoning —/MTok —/MTok 2M 30K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output