Typesafe.ai Jev Open Source Alternative Qwen-2.5-1B-RLCD
Hacker News thread about an open-source Jev alternative built on Qwen-2.5-1B with RLCD training.
This summary is based on how curated lists describe the project; its README was not available to review.
Overview
This is a Hacker News submission titled "Typesafe.ai Jev Open Source Alternative Qwen-2.5-1B-RLCD". From the title, it presents an open-source model based on Qwen 2.5 1B, trained with an RLCD approach, as an alternative to Jev.
No summary of the thread's content was available, so details about the model's performance and the discussion are unknown.
What the decision model decides
| Type | Question | Answers |
|---|---|---|
| Other | Typed decisions from an open Qwen-2.5-1B model (as titled)(inferred) | — |
How it works
- A Qwen 2.5 1B model is trained as a Jev-style decision model.
- It is shared and discussed on Hacker News.
Strengths
- Points to an open-weight alternative to hosted Jev.
Caveats
- Only the title is known; no summary available.
At a glance
- Type
- Discussion
- Status
- discussion
Use cases and integrations
Frequently asked questions
What is this?
A Hacker News thread about an open Qwen-2.5-1B model offered as a Jev alternative.
Is the model linked?
Not in the available information.
What is RLCD?
The title names it as the training method; details are not given here.
Related projects
Auto-generated write-up of a Reddit post claiming an open RLCD-trained Jev model; content is generic and largely inaccurate.
ProjectPythonHacker News thread on Decision Index 0.2.1, which compared about 70 open reproductions of Jev's decision model.
DiscussiondiscussionChinese X post rounding up five promising open Jev replicas: Laya 421M, Decider-2B, NanoJev 0.6B, Reflex and System-One 4B.
DiscussiondiscussionX post: a builder reports a small MLP on top of Qwen 4B already reproduces Jev-like decision behaviour.
DiscussiondiscussionShow HN thread announcing an open-source decision model that its authors claim beats TypeSafe Jev.
DiscussiondiscussionList of System One decision models, open implementations, agents, tools, SDKs, baselines and benchmarks, with a sortable web version.
Projectproduction