What this page answers
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 an
- OpenAI · openai/gpt-4.1
- text+image+file->text · global model route
- 1,047,576 context · $2 input
Before connecting
Do not stop at the model name. Before integration, verify base URL, protocol, visible models, parameters, and limits together.
- supports max_completion_tokens
- supports max_tokens
- supports response_format
- supports seed
- supports structured_outputs
Next action
The goal is to catch search demand, then move users into model profiles, provider profiles, and key checking.
- Check whether the model fits the use case
- Then verify key permission and callable models
