Why Agents Slow Down After Step 8: Devs Compare Profiling Notes
NewBass7883 · reddit · 2026-09-03
A developer profiling a multi-step agent found it fast at step 1 but noticeably slower by step 8, with a 10-step run costing far more than the sum of its early calls. The thread compares likely culprits: prompt growth, KV cache misses, provider queueing, and tool serialization.
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