GPT-5.6 Terra is a premium large language model developed by OpenAI. With a 1.1M tokens context window, this model excels at complex reasoning and step-by-step problem solving, generates and debugs code across multiple programming languages, understands and analyzes images alongside text, accesses real-time information from the web, processes extensive documents and conversations. Try GPT-5.6 Terra instantly on ValorGPT alongside 300+ other AI models.