GPT-5.6 Terra

openai/gpt-5.6-terra

GPT-5.6 Terra is part of OpenAI's GPT-5 series and is suitable for complex reasoning, coding, and production-level general-purpose tasks.

Real-Time Prices

Unit: USD per 1 million tokens (USD per 1M tokens). Prices are provided in real time by the gateway and settled based on actual token usage; usage that has already occurred is recorded at the price at the time it occurred and is not retroactively adjusted for price changes.

Input$0.12 / 1M
Output$0.72 / 1M
Cache Hit$0.012 / 1M
Reasoning$0.72 / 1M

Requests that fail and do not generate upstream output are not billed.View Plans and Pricing

Specifications and Capabilities

Context Window1.1M
Number of Abilities3 / 5
  • Stream OutputSSE returns results token by token, making it suitable for conversational interactionsSupport
  • Tool CallsFunction calls / tool usageSupport
  • Visual InputThis model does not support this capability.Not supported
  • Reasoning PatternsReasoning output that supports longer chains of thoughtSupport
  • JSON OutputThis model does not support this capability.Not supported

How to Call

Base URL: https://api.admesh.ai/v1, model name: openai/gpt-5.6-terra. Compatible with the OpenAI SDK and any client that supports custom Base URLs.

curl https://api.admesh.ai/v1/chat/completions \
  -H "Authorization: Bearer $ADMESH_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.6-terra",
    "messages": [{"role": "user", "content": "Hello"}],
    "stream": true
  }'

Note: The model name used in API calls is openai/gpt-5.6-terra (with a slash), not the hyphenated form found in this page's URL. View the developer documentation

Other models from GPT

Models from the same company share the same access method; to switch between them, simply change the "model" field.

GPT-5.5

openai/gpt-5.5

GPT-5.5 is part of OpenAI's GPT-5 series and is suitable for complex reasoning, coding, and production-level general-purpose tasks.

1.1MFlowToolsReasoning
Input$0.3 / 1M
Output$1.8 / 1M
Cache$0.03 / 1M

GPT-5.6 Luna

openai/gpt-5.6-luna

GPT-5.6 Luna is part of OpenAI's GPT-5 series and is suitable for complex reasoning, coding, and production-level general-purpose tasks.

1.1MFlowToolsReasoning
Input$0.012 / 1M
Output$0.072 / 1M
Cache$0.0012 / 1M

GPT-5.6 Sol

openai/gpt-5.6-sol

GPT-5.6 Sol is part of OpenAI's GPT-5 series and is suitable for complex reasoning, coding, and production-level general-purpose tasks.

1.1MFlowToolsReasoning
Input$0.24 / 1M
Output$1.2 / 1M
Cache$0.024 / 1M

View All Plans and Rates

Start calling GPT-5.6 Terra

Once you register, you can create an API key. Usage is billed based on actual consumption, and the key is valid indefinitely. If you need a dedicated channel or a framework agreement, please contact us directly.