LLM Reference
OpenRouter

GPT-4o on OpenRouter

GPT-4o · OpenAI

Serverless

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

Why use GPT-4o on OpenRouter?

OpenRouter offers GPT-4o with pay-as-you-go pricing at $2.50/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.

Compare GPT-4o across 5 providers to find the best fit for your use case
Input / 1M
$2.50
Output / 1M
$10.00
Cache
Not sourced
Batch
Not sourced

Setup recipe

Docs fallback
Install
Use the provider REST API or SDK
Auth
Create a provider API key
Call
model: openai/gpt-4o
Model ID
openai/gpt-4o

Request example

Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID openai/gpt-4o.

Gotchas

  • Use provider model ID "openai/gpt-4o", not the LLMReference slug "gpt-4o".

Compare GPT-4o Across Providers

ProviderInput (per 1M)Output (per 1M)
Replicate API$2.50$10.00
OpenRouter$2.50$10.00
Azure OpenAI
OpenAI API$2.50$10.00
Vercel AI Gateway$2.50$10.00

Pricing

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.

Get Started

Model Specs

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