GPT-5.4-NANO-2026-03-17
GPT-5.4-NANO-2026-03-17 is a chat model developed by OpenAI, capable of handling various tasks such as function calling, reasoning, and text generation. It is particularly suited for applications requiring long context understanding, given its large context window of 272,000 tokens.
Input
Output
Context
272K
Max Output
128K
Parameters
-
Technical Specifications
Model TypeChat
Context Window272,000 tokens
Max Output Tokens128,000 tokens
ParametersNot available
Release DateMar 14, 2026
Training CutoffAug 31, 2025
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
Text
Capabilities
Resources & Links
proprietary, Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 23, 2026
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