# calls, sequential stages and prompt characters per pattern (scripted model, 100 ms fake latency per call)
pattern                            calls  stages in flight prompt chars
single call (baseline)                 1       1         1          130
prompt chain                           2       2         1          430
routing                                2       2         1          251
sectioning x3                          3       1         3          342
voting x3                              3       1         3          261
orchestrator, 3 steps                  5       5         1         1929
evaluator, passes in round 3           6       6         1         1293
evaluator, hits the 3-round cap        6       6         1         1372