Grok Code Fast 1 by Vercel AI Gateway — Specs, Pricing & Capabilities | whichllm

Model ID xai/grok-code-fast-1

Provider Vercel AI Gateway

Family grok

Status -

Knowledge Cutoff 2023-10

Release Date 2025-08-28

Input Modalities text

Output Modalities text

Context Window 256000

Input Limit -

Output Limit 10000

Tool Calling Yes

Reasoning Yes

Structured Output -

Temperature Control Yes

Open Weights No

Input Cost / 1M tokens $0.20

Output Cost / 1M tokens $1.50

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens $0.02

Cache Write Cost / 1M tokens -