RL Post-Training Eliminates Agent Tool-Call Loops: 92% Loop Rate Drops to 0
VikParuchuri · x · 2026-10-06
- Vik Paruchuri shares that agents often get stuck looping tool calls, and RL training fixes it.
- Posttrained with SFT alone, models looped 92% of the time at temp 0; SFT then RL still hit 47%; RL-only post-training dropped loops to zero.
- The takeaway: training method, not prompt engineering, is the key to unsticking agents.
Related event: Pure RL Post-Training Eliminates Agent Tool-Call Loops, Datalab Finds(3 posts)→
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