Tracer 推出 Echo：得分接近 Claude Fable，成本仅为三分之一
Solo 创始人 Adam Rida 构建了 YC S26 系统，通过一个与 OpenAI 兼容的端点在开放权重模型之间分配计算资源。
By Ryan Merket · Published
Primary source: X
为何重要
AI 代理倍增模型调用次数，使推理成为毛利率问题。Tracer 押注软件能够将更便宜的开源模型协调得足够紧密，从而替代大部分此类流量的付费端点。
Tracer, the San Francisco AI lab founded by Adam Rida, launched Echo on July 31st, an adaptive inference system that coordinates multiple open-weight models and returns a single answer through an OpenAI-compatible API. Tracer said in an eight-post thread on X that Echo approached the quality of Anthropic's Claude Fable 5 across its current evaluations at roughly one-third of the inference cost.
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