Anthropic Opus 5.5 and OpenAI Sol/Luna drop same day; community breaks down effort cost-efficiency and migration pitfalls

2026-09-22 群聊日报

Anthropic 毫无预兆地放出 Opus 5.5，在终端操作和编程任务上跑分领先，但 max 档输出 token 量是 GPT-6 Astra 的三倍多。群友分析发现 high 档是性价比甜区：比 medium 多花 36% 的钱，智能指数涨 3 分，再往上边际成本陡增。两小时后 OpenAI 上线 Sol 和 Luna，Luna 输入价格打到每百...

Why it matters: Anthropic Opus 5.5 launched without warning, OpenAI followed with Sol and Luna two hours later — three model resets in one day. The daily digest provides real-user effort-tier cost/performance breakdowns and prompt-migration war stories, high signal density. Deduction: this is...