# Input tokens per call, 30 turns, four pruning strategies

Encoding: o200k_base (JTokkit estimate). Each turn: ~25-token question, ~40-token answer, ~6-token system prompt.

turn    unbounded  window=10  window=20  budget=400tok
1              26         26         26             26
2              79         79         79             79
5             238        238        238            238
10            503        291        503            397
11            556        291        556            397
15            768        291        556            397
20           1033        291        556            397
21           1086        291        556            397
25           1298        291        556            397
30           1563        291        556            397

sum         23835       7935      13765          10426
sum as % of unbounded: window=10 33%, window=20 58%, budget=400tok 44%