{"i":13,"slug":"cost-thought-experiments","chart":{"id":"token-cost-mix","title":"Where the token dollars go","subtitle":"Recorded tokens at Sonnet 5.5 list price, by token kind","kind":"bar","unit":"usd","yLabel":"USD for all attempts","series":[{"name":"Cost","points":{"$k":["label","value"],"$r":[["Cache writes (1 h)",38.99],["Cache reads",30.62],["Output",17.61],["Uncached input",0.01]]}}],"note":"List-price calculation on recorded tokens: 153.1M cache reads, 9.7M cache writes, 1.8M output, 3.2k uncached input. An agent loop re-reads its context on every call, so cache reads dominate the token count; by price the largest part is cache writes (1 h).","sourceIds":["calc-repricing","agent-swebench-c1","agent-swebench-c2","price-anthropic"]}}