How do I use Grok 4.6 through YepAPI?

Sign up for a free API key, then send requests to the /v1/ai/chat endpoint.

xAIText Generation/v1/ai/chat

Grok 4.6

Access Grok 4.6 through one API key. xAI Grok 4.6 Frontier Coding & STEM.

Grok 4.6 is a model from xAI with frontier performance on coding, knowledge work and STEM, with a 500,000-token context window and up to 450,000 output tokens. Grok 4.6 remains a capable choice for STEM-heavy reasoning and coding where you have validated results against it; new projects should start on Grok 4.7.

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2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Send a message and see Grok 4.6 respond in real time.

POST/v1/ai/chatx-ai/grok-4.6

Message *

Max Tokens

Maximum tokens in the response.

Stream

Real-time tokens

Hit "Send Request" to see the response

Context Window

500K tokens

Max Output

450K tokens

Input Price

$2.95 / 1M tokens

Output Price

$8.86 / 1M tokens

Strengths

✓

Frontier coding and STEM

Strong on coding, quantitative reasoning and knowledge work.

✓

500K context, 450K output

Handles up to 500,000 input tokens and returns up to 450,000 output tokens per call.

✓

Tools, vision and structured output

Function calling, image and file input, and JSON schema outputs.

✓

Succeeded by Grok 4.7

Grok 4.7 improves on it at a lower price.

Quick start

Copy this snippet and start making calls with Grok 4.6.

const res = await fetch('https://api.yepapi.com/v1/ai/chat', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "x-ai/grok-4.6",
    "messages": [
      {
        "role": "user",
        "content": "Explain API gateways in 2 sentences."
      }
    ],
    "maxTokens": 256
  }),
});
const { data } = await res.json();
console.log(data.message.content);

Why use Grok 4.6 through YepAPI?

✓One API key for all models — no separate accounts

✓OpenAI SDK compatible — just change the base URL

✓No monthly minimums — pay per token

✓Switch models with one line of code

✓Full provider passthrough — citations, search results, and all extras included

✓Streaming and non-streaming support on every model

✓Works with Cursor, Claude, LangChain, and any LLM tool

✓Unified billing across all providers

Grok 4.6 API — pricing, context window & access

Grok 4.6 is a model from xAI with frontier performance on coding, knowledge work and STEM, with a 500,000-token context window and up to 450,000 output tokens. It pairs a 500,000-token context window with up to 450,000 output tokens per response, at $2.95 per 1M input and $8.86 per 1M output tokens through YepAPI.

Through YepAPI you call Grok 4.6 on an OpenAI-compatible endpoint with a single key — the same key that reaches GPT-6, Claude, Gemini, Grok and the SEO, SERP and scraping APIs. Input: text, images, files.

What is Grok 4.6?

Grok 4.6 is a model from xAI with frontier performance on coding, knowledge work and STEM, with a 500,000-token context window and up to 450,000 output tokens. It is succeeded by Grok 4.7, which is stronger and cheaper. It accepts text, images, files as input, handles up to 500,000 tokens of context and returns up to 450,000 output tokens per call.

Build with Grok 4.6 via YepAPI

YepAPI serves Grok 4.6 on the OpenAI-compatible /v1/ai/chat endpoint. Point your base URL at YepAPI, add your key, and set the model string to grok-4.6 (or the full x-ai/grok-4.6). Function calling, structured outputs and reasoning settings pass straight through, and switching to any other model on the platform is a one-string change per request.

Grok 4.6 API pricing — $2.95 / 1M input, $8.86 / 1M output

Grok 4.6 costs $2.95 per 1M input tokens and $8.86 per 1M output tokens through YepAPI, pay per token with no minimums. Failed calls are never charged, and every request is itemised in your dashboard API Logs so you can see exactly what a very long response cost.

Grok 4.6 use cases

Grok 4.6 remains a capable choice for STEM-heavy reasoning and coding where you have validated results against it; new projects should start on Grok 4.7.

Try Grok 4.6 free

Every new YepAPI account includes $5 in free credit with no card required — enough to test Grok 4.6 on your own prompts before committing to paid usage. Create an account, copy your key, and call grok-4.6 right away.