OpenAI

OpenAI: GPT-5.6 Terra

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openai/gpt-5.6-terra
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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 tasks where capability and cost need to be balanced, offering strong performance at roughly half the cost of Sol.

Context Window
1M
Max Output Tokens
128K
Released
2026-07-09
Capabilities
VisionFunction CallingReasoningPrompt CachingWeb Search
Available Providers
AzureAzure
Supported Protocols
OpenAIopenaiAnthropicanthropic

Providers

AzureAzure
Input Tokens
$2.5/M
Output Tokens
$15/M
Cache Read
$0.25/M
Web Search
$0.01/R
Protocols
OpenAIopenai/v1/chat/completions/v1/responses
Anthropicanthropic

Code Examples

from openai import OpenAI


client = OpenAI(
    base_url="https://api.ofox.io/v1",
    api_key="YOUR_OFOX_API_KEY",
)


response = client.chat.completions.create(
    model="openai/gpt-5.6-terra",
    messages=[
        {"role": "user", "content": "Hello!"}
    ],
)


print(response.choices[0].message.content)

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Frequently Asked Questions

OpenAI: GPT-5.6 Terra on Ofox.ai costs $2.5/M per million input tokens and $15/M per million output tokens. Pay-as-you-go, no monthly fees.