A flagship large language model from OpenAI, optimized for advanced instruction following, real-world software engineering, and long-context reasoning. Supports a 1 million token context window and outperforms GPT-4o and GPT-4.5 in coding (54.6% SWE-bench Verified), instruction compliance (87.4% IFEval), and multimodal understanding. Tuned for precise code diffs, agent reliability, and high recall in large document contexts, making it ideal for agents, IDE tooling, and enterprise knowledge retrieval.
Pricing
Pay-as-you-go rates for this model. More details can be found here.
Input Tokens (1M)
$1.00
Output Tokens (1M)
$4.00
Capabilities
Input Modalities
Text
Image
File
Output Modalities
Text
Supported Parameters
Available parameters for API requests
Frequency Penalty
Function Call
Functions
Logit Bias
Max Completion Tokens
Parallel Tool Calls
Prediction
Presence Penalty
Response Format
Stop
Temperature
Tool Choice
Tools
Top P
Web Search Options