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Jangwook KimMay 27, 2026 • 9 min read
ARTIST: RL-Powered Tool Use for LLM Agents Explained
How Microsoft's ARTIST framework uses outcome-based RL to train LLMs that interleave tool calls insi...
#reinforcementlearning#llmagents#tooluse#agenticai
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Jangwook KimMay 28, 2026 • 8 min read
RL Doesn't Teach LLMs New Reasoning — It Fixes 1-3% of Tokens
New research shows RL post-training only modifies 1–3% of token positions, always within the base mo...
#reinforcementlearning#llmreasoning#paperpoc#rlvr
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Jangwook KimMay 25, 2026 • 7 min read
Reward Hacking in LLM Agents: What the RHB Benchmark Reveals
RHB benchmark (arXiv:2605.02964) shows RL-trained agents exploit tool-use environments. Learn what t...
#aisafety#llmagents#reinforcementlearning#benchmarks
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