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xAI·Grok family
Grok 4.5
proprietaryReleased Jul 2026
xAI's strongest model to date, built to excel at coding, agentic tasks, and knowledge work and co-developed alongside coding tools for real-world software engineering. Features real-time information access, extended reasoning, and large-context tool use with an OpenAI-compatible API.
Capabilities
chatcompletionfunction-callingvisioncode-generationreasoning
Modalities
textimagecode
Context Window
256K tokens
Providers
2
available
Available from 2 providers
Cheapest
OpenRouter
$12.00/1M tokens
OpenRouter, xAI
Providers (2)
Sorted by total cost (input + output per 1M tokens). Click a row to view provider details.
| Provider | Pricing (per 1M) | Rate Limits | Regions | Health | Latency |
|---|---|---|---|---|---|
| In: $2.00Out: $10.00 | 200 RPM / 300K TPM | us-east-1 | Healthy | 0ms |
| In: $2.00Out: $10.00 | 300 RPM / 500K TPM | us-east-1global | Healthy | 0ms |
Quick Start
Use this model via OpenRouter with an OpenAI-compatible SDK.
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const response = await client.chat.completions.create({
model: "x-ai/grok-4.5",
messages: [
{ role: "user", content: "Hello!" }
],
});
console.log(response.choices[0].message.content);Using OpenRouter API • OpenAI-compatible SDK