So sánh mô hình

GPT-5.6 Sol is the flagship tier of OpenAI's GPT-5.6 family, built for complex reasoning, multi-step coding, and long-horizon agentic work, with particular strength on command-line and terminal-driven tasks.

Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family at this point in the lineup, supporting text, image, and file input with reasoning and a 1M-token context window. It is aimed at the highest-difficulty coding, analysis, and agentic tasks.