GPT-4.1 is the flagship model of the new 4.1 family, excelling in coding, following complex instructions, and managing long contexts (up to 1 million tokens), making it the powerful go-to choice for demanding applications.
The company that provides the model
The number of tokens you can send in a prompt
The maximum number of tokens a model can generate in one request
The cost of prompt tokens sent to the model
The cost of output tokens generated by the model
When the model's knowledge ends
When the model was launched
Capability for the model to use external tools
Ability to process and analyze visual inputs, like images
Support for multiple languages
Whether the model supports fine-tuning on custom datasets
GPT-4.1 has a cost structure of $2.00 per million input tokens and $8.00 per million output tokens.
The input token cost for GPT-4.1 is $2.00 per million input tokens.
The output token cost for GPT-4.1 is $8.00 per million output tokens.
GPT-4.1 supports a context window of up to 1,000,000 tokens.
GPT-4.1 can generate up to 32,000 tokens in a single output.
GPT-4.1 was released on April 14, 2025.
The knowledge cut-off date for GPT-4.1 is June 1, 2024.
Yes, GPT-4.1 supports vision capabilities, allowing it to process and analyze visual inputs like images.
Yes, GPT-4.1 supports tool calling (functions).
Yes, GPT-4.1 supports multiple languages, allowing it to handle input and output in various languages.
Yes, GPT-4.1 supports fine-tuning on custom datasets.
You can find the official documentation for GPT-4.1 here: GPT-4.1 Documentation
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