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GPT-5.6 Terra Pro

gpt-terra Reasoning Tool Calling Attachments Structured Output

Frontier GPT model for professional reasoning, coding, and multimodal work

Providers 2
Released Jul 9, 2026
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Available Providers (2)

Provider Model ID Input Cost Output Cost Context Max Output Docs
OpenRouter openai/gpt-5.6-terra-pro $2.50/MTok $15/MTok 1.1M 128K
Venice AI openai-gpt-56-terra-pro $3.13/MTok $18.75/MTok 1M 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output