{"i":1,"slug":"swe-bench-opus-vs-sonnet","chart":{"id":"swebench-opus-sonnet-stage-cost","title":"Where the cost goes: pipeline stages (calculation)","subtitle":"List-price cost per stage, summed over the same 3 instances","kind":"grouped-bar","unit":"usd","xLabel":"Pipeline stage","yLabel":"USD","viz":"DumbbellPairs","series":[{"name":"Claude Sonnet 5.5 (Agent, older builds)","points":{"$k":["label","value","n"],"$r":[["Research",2.34,3],["Plan",1.16,3],["Implement",1.32,3],["Validate",1.42,3],["Review",0.51,3],["Deliver",1.56,3]]}},{"name":"Claude Opus 5.5 (Agent, new build)","points":{"$k":["label","value","n"],"$r":[["Research",6.28,3],["Plan",1.11,3],["Implement",4.94,3],["Validate",2.97,3],["Review",2.01,3],["Deliver",4.34,3]]}}],"note":"Calculation, not an invoice: stage costs from the run reports (run-mode stages). Onboarding and calls outside a stage are not in these bars, so the stages sum to less than the attempt totals.","sourceIds":["agent-swebench-opus","agent-swebench-c1","agent-swebench-c2","calc-repricing","price-anthropic"]}}