OpenAI
Language model

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.

At a glance

Provider
OpenAI
Type
Language model
Context window
1,050,000 tokens
Model ID
openai/gpt-5.6-terra

Overview

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.

GPT-5.6 Terra is available in Omny. 1,050,000 token context window. Image input. Reasoning mode. Tool calling.

What it can do

  • 1,050,000 token context window
  • Image input
  • Reasoning mode
  • Tool calling

Using it in Omny

Use GPT-5.6 Terra in Omny and compare its results with other language models on the same task.

Best for: Chat and comparing answers on your own prompts.

Questions

How do I use GPT-5.6 Terra?

Open chat in Omny and select GPT-5.6 Terra. Model access and usage depend on your plan.

What does GPT-5.6 Terra support in Omny?

1,050,000 token context window. Image input. Reasoning mode. Tool calling.

Put GPT-5.6 Terra at the table.

Ask GPT-5.6 Terra and other models the same question side by side, then keep the best answer.