Research#llm📝 BlogAnalyzed: Dec 25, 2025 23:29

Liquid AI Releases LFM2-2.6B-Exp: An Experimental LLM Fine-tuned with Reinforcement Learning

Published:Dec 25, 2025 15:22
1 min read
r/LocalLLaMA

Analysis

Liquid AI has released LFM2-2.6B-Exp, an experimental language model built upon their existing LFM2-2.6B model. This new iteration is notable for its use of pure reinforcement learning for fine-tuning, suggesting a focus on optimizing specific behaviors or capabilities. The release is announced on Hugging Face and 𝕏 (formerly Twitter), indicating a community-driven approach to development and feedback. The model's experimental nature implies that it's still under development and may not be suitable for all applications, but it represents an interesting advancement in the application of reinforcement learning to language model training. Further investigation into the specific reinforcement learning techniques used and the resulting performance characteristics would be beneficial.

Reference

LFM2-2.6B-Exp is an experimental checkpoint built on LFM2-2.6B using pure reinforcement learning by Liquid AI