APUS Open-Sources ReflexAgent: A Decision-Model-Driven Agent Framework for Infinite Context

智东西 · wechat · 2026-10-14

APUS open-sourced ReflexAgent (MIT license) with desktop, Web, and SDK versions. It replaces the common 'prompt+code' harness with its Reflex decision model (fine-tuned from Qwen3.5 4.5B) as the control hub, claiming 2-3x faster response in tool-heavy workflows. A three-tier memory scheme — infinite, lossless, and lossless-input memory — lets agents retrieve original context without compression summaries, enabling long-running 'LoopWorking' tasks. The repo is a reference for model-driven harness and infinite-context design.

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