微软发布 Decision-1 决策模型，基于 Qwen3.5-9B
Microsoft's Decision-1 model enters the fast-growing AI decision model race
微软推出决策模型 Decision-1，基于 Qwen3.5-9B，面向分类、评估和路由决策，并称有潜力引导和控制智能体应对复杂环境。微软称其在覆盖 36 项基准、近 15 万个问题的测试中最准确，速度是第二名 H2O-Lightning-4B 的 2.5 倍。该模型已通过 Microsoft Foundry 和 OpenRouter 提供，输入 token 每百万 0.042 美元，输出 token 免费。
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Microsoft now has its own decision model. Like the ones from OpenAI , Cloudflare , and the "original" from Jev , Decision-1 is built for fast, structured decisions. According to Microsoft , it handles classifications, evaluations, and routing decisions and has "the potential" to "guide and control agents through complex environments."
Decision-1 is based on Qwen3.5-9B. Microsoft says it's the most accurate model tested across 36 benchmarks covering nearly 150,000 questions. On speed, it's 2.5 times faster than the runner-up, H2O-Lightning-4B. Cloudflare's open-source Clef models, which are also based on Qwen, weren't included in the comparison.
Decision-1 is available through Microsoft Foundry and OpenRouter . Input tokens cost $0.042 per million, and output tokens are free. Jev, the startup that kicked off the decision model trend in mid-September, has likely had a rough few weeks. The idea caught on fast, but the tech was quickly adapted and surpassed using open small language models.