GPT-6.1 Terra Pro
1 article tagged with GPT-6.1 Terra Pro
October 27, 2026
product updateOpenAI
OpenAI GPT-6.1 Terra Pro lists on OpenRouter at $1 input, $5 output per 1M tokens, 1.1M context
GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro. OpenRouter lists it with a 1.1M context window at $1 input and $5 output per 1M tokens, and says a typical request costs several times more than on Terra.