GPT-5.6 Terra
GPT-5.6 Terra is an OpenAI model designed to balance capability and cost, with a 1.05-million-token context window and up to 128K output tokens.
Overview
The model accepts text and image input and returns text. It supports reasoning controls, code execution, computer use, hosted shell, and related OpenAI tool surfaces.
Model specifications
- Family
- GPT-5.6
- Context
- 1,050,000 tokens
- Input
- Text, Image
- Output
- Text
- Open weights
- No
- Capabilities
- Reasoning, Vision, Tool Use, Function Calling, Structured Output, Code Execution, Computer Use
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