{"i":13,"slug":"cost-thought-experiments","chart":{"id":"prompt-cache-savings","title":"Thought experiment: what prompt caching saved","subtitle":"The same recorded tokens with and without cache pricing","kind":"grouped-bar","unit":"usd","yLabel":"USD for all attempts","series":[{"name":"With caching (as recorded)","points":{"$k":["label","value","highlight"],"$r":[["Claude Haiku 4.5",43.61,false],["Claude Sonnet 5.5",87.23,true],["Claude Opus 5.5",143.83,false],["Claude Fable 5.1",321.31,false]]}},{"name":"Without caching","points":{"$k":["label","value"],"$r":[["Claude Haiku 4.5",171.66],["Claude Sonnet 5.5",343.33],["Claude Opus 5.5",686.66],["Claude Fable 5.1",1716.65]]}}],"note":"94.0% of recorded input tokens were cache reads. Calculation, not a run.","sourceIds":["calc-repricing","agent-swebench-c1","agent-swebench-c2","price-anthropic"]}}