AI model · OpenAI
GPT-4.1
Model ID: openai/gpt-4.1
- Input
- $2 per 1M tokens
- Output
- $8 per 1M tokens
- Context
- 1M tokens at once
- Max output
- 33K tokens per reply
- Released
- 14 Apr 2025 OpenAI
What it can do
- NoReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes image, text, file; gives text.
How its listing describes it
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...
Sources
- OpenAI: GPT-4.1 on OpenRouter — read 2 Oct 2026