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openai/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...

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128K max outputVision
Input $2.00/M · Output $12.00/M · Cache read $0.20/M
OutputReady

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API details and access

Model Details

ProviderOpenAI
TypeLlm
Model IDopenai/gpt-5.6-terra

Capabilities

InputTextImage
OutputText
Context-
Max Output128,000
VisionSupported
Function CallingSupported

Access details

Responses API
Base URLhttps://api.sandbase.ai
API Endpoint/v1/responses
{
  "model": "openai/gpt-5.6-terra",
  "instructions": "You are a helpful assistant.",
  "input": "Hello",
  "max_output_tokens": 512
}

Pricing

Input$2.00 / 1M tokens
Output$12.00 / 1M tokens
Cache read$0.20 / 1M tokens

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