`x-ai/grok-code-fast-1:free` — Free AI Model & API

kilo-code/x-ai-grok-code-fast-1-free

chat coding

Get API key →

Context Window 256K

Max Output 131K

Rate Limit ~200 req/hr

Cost $0.00 FREE

Free Period Since May 23, 2026

Credit Card Not required

Phone Verification Required

Status Online

Overview

`x-ai/grok-code-fast-1:free` — free model from Kilo Code.

Model ID

x-ai-grok-code-fast-1-free

Base URL

https://api.kilo.ai/api/gateway

Specifications

Context: 256K · Output: 131K · Modality: text, code · OpenAI Compat: Yes

Quick Start

Integrate `x-ai/grok-code-fast-1:free` with 3 lines of code. See the config generator for Claude Code, Cursor, and more.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.kilo.ai/api/gateway",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="x-ai-grok-code-fast-1-free",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

import OpenAI from "openai";

const openai = new OpenAI({
  baseURL: "https://api.kilo.ai/api/gateway",
  apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
  model: "x-ai-grok-code-fast-1-free",
  messages: [{ role: "user", content: "Hello!" }],
});

console.log(completion.choices[0].message.content);

curl https://api.kilo.ai/api/gateway/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "x-ai-grok-code-fast-1-free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

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Rate Limits & Constraints

Rate Limit ~200 req/hr

Context Window 256K

Max Output Tokens 131K

Cost Free — since May 23, 2026

Credit Card Not required

OpenAI Compatible Yes — drop-in replacement

Kilo Code Platform Limitations

Coding-optimized only — not suitable for general chat or reasoning
Model routing is opaque — you don't control which model serves your request
~200 req/hr may be limiting for heavy CI/CD or batch use

Features & Use Cases

Best For

ChatCoding

Modality Support

textcode

Kilo Code Highlights

Coding-optimized model routing
ByteDance Seed, Grok Code, Nemotron
~200 req/hr free
Purpose-built for VS Code & AI editors

How to Get a Free Kilo Code API Key

Follow these steps to get your free API key for `x-ai/grok-code-fast-1:free`. No credit card required — just sign up and start using the API.

Sign up at kilo.ai GitHub login. No credit card.
Go to API Keys
Generate an API key
Let the router pick Kilo Code auto-routes to the best coding model. No model selection needed.
Configure OpenAI client Base URL: https://api.kilo.ai/api/gateway

Get your free API key → Learn more about Kilo Code

Playground — Test `x-ai/grok-code-fast-1:free`

Test `x-ai/grok-code-fast-1:free` directly in your browser. Your API key is sent directly to Kilo Code — never stored.

Model: `x-ai/grok-code-fast-1:free` Get Key

🔒 Your key is never stored — sent directly to the model provider via our server proxy.

Ready to chat with `x-ai/grok-code-fast-1:free`.

Frequently Asked Questions

How do I get an API key for `x-ai/grok-code-fast-1:free`?

Sign up at Kilo Code to get your API key. No credit card is required — just an email sign-up. Once you have the key, use the code snippets in the Quick Start section above.

Is `x-ai/grok-code-fast-1:free` really free?

Yes. `x-ai/grok-code-fast-1:free` is available on Kilo Code's free tier and has been free since May 23, 2026. Rate limits apply: ~200 req/hr. Always check the provider's terms for any changes to the free tier.

What are `x-ai/grok-code-fast-1:free`'s rate limits?

~200 req/hr Context window: 256K. Max output: 131K. No credit card required.

What are the best free alternatives to `x-ai/grok-code-fast-1:free`?

Popular free alternatives include inclusionAI: Ring-2.6-1T, Owl Alpha, NVIDIA: Nemotron 3 Nano Omni (free). You can also browse all 164+ free models on our site.