Last refreshed 2026-05-11. 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 caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: openai/gpt-4oopenai/gpt-4oRequest example
openai/gpt-4o.Gotchas
- Use provider model ID "openai/gpt-4o", not the LLMReference slug "gpt-4o".
Compare GPT-4o Across Providers
| Provider | Input (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
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.50 |
| Output tokens | $10.00 |
Capabilities
About GPT-4o
OpenAI GPT-4o: Flagship multimodal model with vision, function calling, and broad capability. $2.50/M input, $10/M output.
FAQ
What does GPT-4o cost on OpenRouter?
On OpenRouter, GPT-4o costs $2.5 per 1M input tokens and $10 per 1M output tokens.
What is the context window for GPT-4o on OpenRouter?
GPT-4o supports a 128k token context window on OpenRouter.
How does OpenRouter compare to other GPT-4o providers?
GPT-4o is available from 5 providers. The cheapest input pricing is $2.5/1M tokens from Replicate API.
What API model ID do I use for GPT-4o on OpenRouter?
Use the model ID openai/gpt-4o when calling OpenRouter's API.
Who created GPT-4o?
GPT-4o was created by OpenAI as part of the GPT-4o model family.
Is GPT-4o open source?
GPT-4o is not open source; the seed data lists it as proprietary.