Kimi K3.1 Pro 登陆 API，承诺 11 月 4 日前开源权重
原标题：Introducing Kimi K3.1 Pro
AI 摘要
Moonshot 在 Kimi API 上线 Kimi K3.1 Pro，暂未开放权重，但承诺 2026 年 11 月 4 日前发布完整模型权重。定价为输入每百万 token 2 美元、输出 10 美元，与 GPT-6.1 Sol 持平，为 Claude Opus 5.5 的一半；另提供速度提升 2-3 倍、价格翻倍的 Highspeed 版本。Artificial Analysis 评分为 55，仅次于 Claude Opus 5.5 的 58，是首个在评测中接近前沿水平的准开源权重模型。
正文节选
23rd October 2026 - Link Blog Introducing Kimi K3.1 Pro (via) Kimi K3.1 Pro landed on the Kimi API today - it's not yet open weights, but Moonshot promise "Full model weights will be released by Nov 4, 2026". They're also offering a "Highspeed" version that's 2-3x faster, at twice the price (except for input token cache hits, which are priced the same). The US dollar pricing is $2.00/million tokens for input and $10/million for output - the same as GPT-6.1 Sol and half the price of Claude Opus 5