All Models
Grok 4.1 Fast
Fast Grok model for responsive chat, reasoning, and tool-assisted work
Benchmarks
Available Providers (11)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
xai/grok-4.1-fast-non-reasoning | $0.20/MTok | $0.50/MTok | 128K | 30K | ||
xai/grok-4.1-fast-reasoning | $0.20/MTok | $0.50/MTok | 128K | 30K | ||
grok-4-1-fast-non-reasoning | $0.20/MTok | $0.50/MTok | 2M | 128K | ||
grok-code-fast-1 | $0.20/MTok | $1.50/MTok | 256K | 128K | ||
grok-4-1-fast-reasoning | $0.20/MTok | $0.50/MTok | 2M | 128K | ||
xai/grok-4-1-fast-non-reasoning | $0.20/MTok | $0.50/MTok | 2M | 30K | ||
grok-4-1-fast-non-reasoning | $0.20/MTok | $0.50/MTok | 128K | 8.2K | ||
grok-4-1-fast-reasoning | $0.20/MTok | $0.50/MTok | 128K | 8.2K | ||
grok-4-1-fast-non-reasoning | $0.20/MTok | $0.50/MTok | 2M | 16.4K | ||
x-ai/grok-4.1-fast | $0.20/MTok | $0.50/MTok | 2M | 30K | ||
x-ai/grok-4.1-fast | —/MTok | —/MTok | 2M | 2M |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output