LLM Reference
OpenRouter

Using GPT-4o on OpenRouter

Implementation guide · GPT-4o · OpenAI

Serverless

OpenRouter exposes GPT-4o through model ID openai/gpt-4o. 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 openai/gpt-4o — see the documentation for request format.
  3. 3
    You'll be billed $2.50/1M input, $10.00/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$2.50
Output tokens$10.00

Capabilities

VisionMultimodalJSON / Tool useStructured OutputsCode ExecutionPrompt CachingBatch APIFine-tuning

About GPT-4o

OpenAI GPT-4o: Flagship multimodal model with vision, function calling, and broad capability. $2.50/M input, $10/M output.

Full model details →

Model Specs

Released2024-05-13
Context128k
ArchitectureDecoder Only
Knowledge cutoff2023-10

More Models on OpenRouter

GPT-4o (08-06)GPT-4o Mini (07-18)GPT-4o (05-13)GPT-4o-miniGPT-4o AudioGPT-4o-mini Search Preview
All models on OpenRouter →

Also available on(4)

Replicate API$2.50/1MOpenAI API$2.50/1MVercel AI Gateway$2.50/1M
Compare all providers →

Provider

OpenRouter
OpenRouter

OpenRouter, Inc.

New York, NY, USA