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ByteDance Pilots DeerFlow 3.0 as deer-workflow, Keeping Orchestration in TypeScript and Delegating Semantics to Swappable Agents
deerwork-ai/deer-workflow (created 2026-07-26, 342 stars, MIT, Bun/TypeScript) is described in its own README as the pilot project for DeerFlow 3.0, also known as DeerWork, tying it to ByteDance's existing deer-flow line. The architectural claim is the interesting one: orchestration stays as deterministic TypeScript graph code while semantic work is delegated to replaceable agent runtimes, with Codex CLI as the default agent. That is the opposite of the prevailing pattern where the model drives control flow, and it is the same split several agent harnesses have converged on independently this month.
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