OpenAI: GPT-5.6 Terra Pro

Pricing, context window and lifecycle for openai/gpt-5.6-terra-pro, tracked from what the vendor publishes.

Price per million tokens

Input$1.00
Output$6.00
Cache read$0.100
Cache write$1.25

Facts

Model IDopenai/gpt-5.6-terra-pro
VendorOpenAI
Context window1,050,000 tokens
Knowledge cutoff2026-02-16
End of lifenone published

Supported parameters

include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools

Other OpenAI models

Change history

Every change we have observed since tracking began.

DetectedChangeDetail
2026-07-30 19:10Pricing ChangeOutput $7.50 -> $6.00 (-20.0%) · Cache read $0.125 -> $0.100 (-20.0%) · Cache write $1.56 -> $1.25 (-20.0%) · overrides - -> - · Input $1.25 -> $1.00 (-20.0%)