According to AI Tier List, OpenAI launches its new family of models with GPT-5.6 is rated Tier A for Chatbot & Conversation.
OpenAI introduces its latest high-performance AI model family, GPT-5.6.
GPT-5.6 is the latest model family released by OpenAI, offering three variants optimized for diverse operational environments. It is designed for professionals and developers who require advanced reasoning and high-level language processing capabilities.
Best For
GPT-5.6 meets diverse user needs through three variants—Sol, Terra, and Luna—and demonstrates powerful, validated performance in specialized fields like cybersecurity and biological research. It is rapidly becoming an industry standard with high technical maturity, justifying an upgrade to Tier A.
Three model variants (Sol, Terra, Luna), specialized capabilities for cybersecurity and biology research, flexible pricing, advanced reasoning capabilities
Restricted access to sensitive capabilities, high computational resource requirements
Official launch of the GPT-5.6 model family, unveiling of Sol/Terra/Luna model lineup, implementation of trusted access programs for cyber and biology research
OpenAI's AI chatbot that retrieves and synthesizes internet information via web browsing.
