Last refreshed 2026-05-11. Next refresh: weekly.
Why use GPT-4.1 on OpenRouter?
OpenRouter offers GPT-4.1 with pay-as-you-go pricing at $2.00/1M 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-4.1 across 3 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-4.1openai/gpt-4.1Request example
openai/gpt-4.1.Gotchas
- Use provider model ID "openai/gpt-4.1", not the LLMReference slug "gpt-4.1".
Compare GPT-4.1 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $2.00 | $8.00 |
| Azure OpenAI | — | — |
| OpenAI API | $2.00 | $8.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.00 |
| Output tokens | $8.00 |
Capabilities
About GPT-4.1
OpenAI's GPT-4.1 model released April 2025, excelling at coding tasks, precise instruction following, and web development. Outperforms GPT-4o in these areas with a 1 million token context window. Available via API and in ChatGPT for Plus, Pro, Team, Enterprise, and Edu users.
FAQ
What does GPT-4.1 cost on OpenRouter?
On OpenRouter, GPT-4.1 costs $2 per 1M input tokens and $8 per 1M output tokens.
What is the context window for GPT-4.1 on OpenRouter?
GPT-4.1 supports a 1,047,576 token context window on OpenRouter.
How does OpenRouter compare to other GPT-4.1 providers?
GPT-4.1 is available from 3 providers. The cheapest input pricing is $2/1M tokens from OpenRouter.
What API model ID do I use for GPT-4.1 on OpenRouter?
Use the model ID openai/gpt-4.1 when calling OpenRouter's API.
Who created GPT-4.1?
GPT-4.1 was created by OpenAI as part of the GPT-4.1 model family.
Is GPT-4.1 open source?
GPT-4.1 is not open source; the seed data lists it as proprietary.