OpenAI
GPT-5.6 Terra
GPT-5.6 Terra — balanced GPT-5.6 model for everyday coding, reasoning, agentic workflows, multimodal inputs, and prompt caching.
gpt-5.6-terraPricing
~96%- Input
- $0.076339 / 1,000,000 tokens
- Output
- $0.458034 / 1,000,000 tokens
- Cache read
- $0.007634 / 1,000,000 tokens
- Cache write
- $0.095424 / 1,000,000 tokens
Discount history
Model details
- Input
- text, image, file
- Output
- text
- Context window
- 1,050,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- $2.8KUncapped capacity
- Updated
- 11/8/2026, 3:58:06 AM UTC
Capacity is reserved when your request is accepted.
Capabilities
ChatStreamingTool callingVisionReasoningFile inputWeb search
Supported parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools