GPT-4

Chat Completions

gpt-4-0613

OpenAI|Created Jun 5, 2025|8.2k context

Chat Completions

GPT-4.1, a flagship model for advanced instruction following, software engineering, and long-context reasoning. Supports a 1 million token context window and is tuned for precise code diffs, agent reliability, and high recall in large document contexts.

Overview Specifications Activity Performance Uptime Examples

Pricing-50%

Pay-as-you-go rates for this model. More details can be found here.

Input Tokens (1M)

$15.00

Output Tokens (1M)

$30.00

Capabilities

Input Modalities

TextFile

Output Modalities

Text

Supported Parameters

Available parameters for API requests

Frequency PenaltyFunction CallFunctionsLogit BiasMax Completion TokensParallel Tool CallsPredictionPresence PenaltyResponse FormatStopTemperatureTool ChoiceToolsTop PWeb Search Options