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openaiOpenAI: GPT-5.6 Terra
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
openai/gpt-5.6-terra
Context Size
1,050K
Input Price
300,000 pts/M
Output Price
1,800,000 pts/M
Architecture
File
Image
Text
Supported Parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools
Details
TokenizerGPT
Max Completion128,000 tokens
Provider Context1,050K tokens
ModeratedYes
CreatedJul 9, 2026