Grok Code Fast 1 by NanoGPT — Specs, Pricing & Capabilities | whichllm

Model ID x-ai/grok-code-fast-1

Provider NanoGPT

Family grok

Status -

Knowledge Cutoff -

Release Date 2025-08-28

Input Modalities text

Output Modalities text

Context Window 256000

Input Limit 256000

Output Limit 131072

Tool Calling No

Reasoning Yes

Structured Output No

Temperature Control -

Open Weights No

Input Cost / 1M tokens $0.20

Output Cost / 1M tokens $1.50

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens -

Cache Write Cost / 1M tokens -