决策 AI 模型解析:TypeSafe Jev 与 Fastino GLiDE、GLiNER2.5-Decide 及开源竞品对比
决策 AI 模型是一类返回选择、分数或概率而非生成文本的模型,TypeSafe 在隐身两年后推出 Jev,Fastino Labs 三周内跟进两款竞品。Jev 支持 Choice、Score、Noul 三种原语,定价为每百万输入 token 0.042 美元、输出免费,TypeSafe 称端到端响应为 70 至 500 毫秒。在 TypeSafe 的 4 项工作流评测中,Jev 以 67.8% 平均准确率、每例 0.4 秒追平 Claude Sonnet 5,但落后最强前沿配置 6.3 个百分点。
he Latest Trend in AI The idea is not new. Classifiers and rerankers have made decisions for years. Decision Transformer (2021) framed reinforcement learning as sequence modeling. DeepMind’s Gato (2022) showed one generalist model acting across many tasks. A 2023 survey even called ‘large decision models’ the next step. What changed in 2026 is the packaging. 4 forces drove the shift: Agents need cheap judgments: Routing, tool selection and guardrails happen thousands of times per workflow. Payin
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