acorn – LLM framework for long running agents

Name: acorn – LLM framework for long running agents
Availability: InStock
Author: onel

by onel·Feb 24, 2026·5 points·0 comments

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AI Analysis

●MidShip ItSlick

Yet another LLM orchestration layer over LiteLLM + Pydantic when DSPy and LangChain dominate.

Strengths

•Structured I/O with Pydantic schema validation reduces parse errors
•Step callbacks and streaming support give fine-grained loop control
•Provider fallback and prompt caching reduce cost/latency at runtime

Weaknesses

•Feature parity with LangChain/LangGraph/DSPy without clear differentiation
•Early project (2 stars, 2 issues)—no production validation or examples beyond HuggingFace Spaces demo

Post Description

Hi HN,

This is Andrei from askmanu and I'm super happy to share a new framework I've been working on: acorn.

It takes all the best parts of DSPy, langchaing, instructor, etc and wraps it in a beautiful and easy to use API. Very easy to define model I/O, branches, define callbacks for every step, etc

See the getting started docs here: https://github.com/askmanu/acorn/blob/main/docs/getting-star...

Try out the different demos here: https://huggingface.co/spaces/askmanu/acorn