GPT-5.6 Sol and Claude Mythos Show That the AI Race Has Reached a New Level

GPT-5.6 Sol matters because the performance story is strong. OpenAI says Sol is its strongest cyber model yet . On ExploitBench , it says Sol is competitive with Claude Mythos Preview while using about one-third of the output tokens . On ExploitGym , Sol leads the rest of the GPT-5.6 family as reasoning budgets rise. And on OpenAI's internal capture-the-flag tasks, Sol is close to saturation. That…