simpo-training

by Orchestra-Research 12k MIT Updated Jun 16, 2026
simpo-training skill by Orchestra-Research
simpo-training — Productivity skill by Orchestra-Research

simpo-training is an open-source productivity skill for Claude Code and compatible agents, published by Orchestra-Research. Its author describes it as: “Simple Preference Optimization for LLM alignment. Reference-free alternative to DPO with better performance (+6.4 points on AlpacaEval 2.0). No reference model needed, more efficient than DPO. Use for preference align…”. The project has 12k stars on GitHub and is available under the MIT license. Add it to your setup with `/plugin marketplace add Orchestra-Research/AI-Research-SKILLs`.

What simpo-training does

SimPO is a reference-free preference optimization method that outperforms DPO without needing a reference model.

Installation

Add simpo-training to your agent with:

/plugin marketplace add Orchestra-Research/AI-Research-SKILLs

Always review a skill's source before installing it. This command comes from the skill's public repository; the linked repo is the source of truth for exact setup steps.

What's inside

The SKILL.md for simpo-training is organised into these sections:

  • Quick start
  • Common workflows
  • Workflow 1: Train from base model (Mistral 7B)
  • Workflow 2: Fine-tune instruct model (Llama 3 8B)
  • Workflow 3: Reasoning-intensive tasks (lower LR)
  • When to use vs alternatives
  • Common issues
  • Advanced topics
  • Hardware requirements
  • Resources

When to use it

Reach for simpo-training when you want productivity help from your agent without writing the same instructions every session. Load the skill and the agent picks it up automatically for relevant tasks.

Strengths

  • Clear MIT license — safe to read and adapt
  • Ships in Orchestra-Research/AI-Research-SKILLs, an established project with 11,807 GitHub stars
  • Actively maintained (recent commits)

Topics

post-trainingsimpopreference optimizationalignmentdpo alternativereference-freellm alignmentefficient trainingaiai-researchclaudeclaude-codeclaude-skillscodexgeminigpt-5grpohuggingfacemachine-leanringmegatron

Frequently asked questions

What does simpo-training do?
Simple Preference Optimization for LLM alignment. Reference-free alternative to DPO with better performance (+6.4 points on AlpacaEval 2.0). No reference model needed, more efficient than DPO. Use for preference alignment when want simpler, faster training than DPO/PPO.
How do I install simpo-training?
Run /plugin marketplace add Orchestra-Research/AI-Research-SKILLs in your agent, then reload your skills. Review the source at https://github.com/Orchestra-Research/AI-Research-SKILLs before installing.
Is simpo-training free to use?
Yes. simpo-training is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
Where does simpo-training come from?
simpo-training ships inside Orchestra-Research/AI-Research-SKILLs, a repository that contains 41 catalogued skills in total. The repository's 11,807 GitHub stars apply to that whole collection, not to this skill on its own.

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