Using Grok-3 on OpenRouter

Implementation guide · Grok 3 · xAI

Serverless

OpenRouter exposes Grok-3 through model ID x-ai/grok-3. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-06-15. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at OpenRouter and generate an API key.
  2. 2
    Use the OpenRouter SDK or REST API to call x-ai/grok-3 — see the documentation for request format.
  3. 3
    You'll be billed $3.00/1M input, $15.00/1M output tokens. See full pricing.

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$3.00
Output tokens$15.00

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured Outputs

About Grok-3

Grok-3 is a 2025 xAI model confirmed for May 15, 2026 retirement; use Grok 4.3 for current API work.

Model Specs

Released2025-02-17
Context131k
Knowledge cutoff2025-04

Provider

OpenRouter

OpenRouter, Inc.

New York, NY, USA