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OpenAI: GPT-4.1

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...

Image
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Specification
Model ID
openai/gpt-4.1
Modality
Text+image+file >text
Context
1.0M tokens
Input
$2.00/1M
Output
$8.00/1M
Web search
$10000.00/1M
Updated
Sep 20, 2026
Scores
Capabilities
  • Supports tool calling
  • Supports vision inputs
  • Supports long-context workflows
  • Lighter reasoning profile

Input and output

Accepts Image, Text, File inputs. Returns Text outputs.

Supported parameters

max_completion_tokensmax_tokensresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_p

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