# Constitutional AI + RLAIF: Open Replication of Anthropic's Recipe

> Source: https://sukruyusufkaya.com/en/learn/fine-tuning-cookbook/ftc-constitutional-ai-rlaif-anthropic
> Updated: 2026-05-14T14:42:58.615Z
> Category: Fine-Tuning Cookbook (Model-by-Model)
> Module: Part XI — Alignment & Preference Optimization
**TLDR:** Anthropic Constitutional AI (Bai et al. 2022): AI critiquing and improving its own responses by 'principles'. RLAIF: alignment with AI feedback (LLM judge instead of human). Open replication: principle list, self-critique loop, revised dataset, small-scale CAI Lab on RTX 4090.