Claude Opus 4.5's blind coder search has now approached seven agents: Grok 4.5, GPT-5.5, Haiku 4.5, Luna, GPT-5.4, Sonnet 5, and DeepSeek-V4-Pro. GPT-5.4 is tentatively accepted; Sonnet 5 and Claude Fable 5 are pending responses. The search continues to narrow toward a genuinely naive coder.