Grok Code Fast 1
xAI's Grok Code Fast 1 is a chat model. Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding. With reasoning traces visible in the response, developers can steer Grok Code for high-quality...
by xAI · 256K token context window
Best for
- low-latency chat and routing
- request routing and triage
- text classification
Ways to use Grok Code Fast 1 in osFoundry
Connect with your own key (BYOK)
Open the key dialog and paste your xAI API key. osFoundry discovers Grok Code Fast 1 automatically — assign it to a Maestro role (router, direct, orchestrator, or fallback) in the Pipeline tab and it is live in every chat. Your key, your provider account — no token markup.
Use it in a Room App
Room Apps declare AI features in their manifest, then call them with invokeAI:
import { invokeAI } from '@osfoundry/app-sdk'
// 'summarize' is an AI feature declared in your app manifest.
const result = await invokeAI('summarize', userText)
Call it from your own apps
Once a model is wired into your workspace you can host it as an API and reach it from your own services, scripts, or CI — outside osFoundry.
Grok Code Fast 1 vs similar models
Licence
Hosted — usage subject to provider terms — Hosted-only model — usage governed by the provider's API terms. Bring your own provider key.
No weights distributed; usage subject to provider terms.
Frequently asked about Grok Code Fast 1
How much does Grok Code Fast 1 cost?
Grok Code Fast 1 is metered at $ 0.200 /1M for input, and $ 1.50 /1M for output. Bring your own xAI API key — osFoundry passes through provider pricing without markup.
Can I use Grok Code Fast 1 commercially?
Commercial use is allowed with conditions. Hosted-only model — usage governed by the provider's API terms. Bring your own provider key. No weights distributed; usage subject to provider terms.
What is the context window of Grok Code Fast 1?
Grok Code Fast 1 supports a 256K token context window.
Can I run Grok Code Fast 1 locally?
No — Grok Code Fast 1 is hosted only and accessed via the xAI API.
What is Grok Code Fast 1 best at?
Grok Code Fast 1 is well-suited to low-latency chat and routing, request routing and triage, text classification.
How do I use Grok Code Fast 1 in osFoundry?
Paste your xAI API key in the key dialog (or deploy the open weights for self-hostable models), assign Grok Code Fast 1 to a Maestro role in the Pipeline tab, then use it in chat, Room Apps via invokeAI, or your own apps.
Published by xAI on August 26, 2025. Source: https://openrouter.ai/x-ai/grok-code-fast-1