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Hacker News· Philpax·· 5 小时前AI 评分72

Ripple-65B Preview 发布:美国开源权重模型在智能体编码上达到 SOTA

Ripple-65B Preview: U.S. Open-Weight SOTA on Agentic Coding

AI 导读

ricursive 发布 Ripple-65B Preview,称其在美国开源权重模型中于智能体编码任务上达到 SOTA,TerminalBench 2.1 得分 80.5。团队未采购后训练数据,自建合成数据管线与质量过滤,混合 RL 配方使用截断重要性采样、分数中心化和线性长度惩罚,仅用 1.4M rollouts 完成训练,约为前一 SOTA Reflection Beam 的七十分之一。

正文 · 原文

Rather than investing in a brute-force RL climb, we carefully iterated on our SFT and RL recipes with a focus on compute efficiency. We opted not to buy any posttraining data, instead devising our own synthetic data pipelines, quality filtering, and coverage metrics. 

Our mixed RL recipe uses

truncated importance sampling

,

score centering

, and

linear length penalty

with high-quality long-horizon synthetic environments. The RL tasks are tuned for our model capabilities, and we continuously added harder tasks as the model improved.

The end result was a steep RL climb from a strong initial SFT checkpoint. We reached a TerminalBench 2.1 score of 80.5 with only 1.4M rollouts, roughly 70x fewer rollouts than Reflection Beam, the prior SOTA.

来源:Hacker News · ricursive.com