Best AI News — Updated Every 3 Hours
Story Page
← All Stories
Home Community Story
Community

Trained a Qwen2.5-0.5B-Instruct bf16 model on Reddit post summarization task with GRPO

Via r/LocalLlama
Monday, Apr 13, 2026 · 12:54PM
Summary

So, a few days back I shared a post where I trained a tiny Qwen2.5-0.5B-Instruct model on smoltldr (reddit post summarization dataset of 2k rows), to output summaries of about 64 max length using RLVR with GRPO . However, there was a catch! The wandb charts for avg response length was going down and

Continue reading the full article
Read at r/LocalLlama
www.reddit.com
Back to all stories