GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...
openai/gpt-4.1GPT-4.1 is an API model from OpenAI, released on Apr 14, 2025, with a context window of 1,047,576 tokens, pricing of $2 per million input tokens and $8 per million output tokens. It accepts file, image, text input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.028.
Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.
GPT-4.1 supports a context window of 1,047,576 tokens.
GPT-4.1 is listed at $2 per million input tokens and $8 per million output tokens on OpenRouter.
GPT-4.1 was published on Apr 14, 2025.
GPT-4.1 accepts file, image, text input and produces text output.