For coding tasks, Claude Fable 5 leads on SWE-bench Verified, while GPT-5.6 Sol is top for terminal and shell-heavy work, and Claude Opus 5 is highly recommended for production development. In creative writing, Anthropic's Claude Opus 5 leads the EQ-Bench Creative Writing leaderboard, with Kimi K3 and OpenAI's GPT-5.6 Sol also ranking highly.