{"i":17,"slug":"haiku-thinking-on-off","chart":{"id":"haiku-thinking-router-cost","title":"Haiku thinking study: list-price cost per 1,000 routing decisions (calculation)","subtitle":"Reported tokens × list price, per 1,000 decisions","kind":"bar","unit":"usd","yLabel":"USD per 1,000 decisions","series":[{"name":"Cost per 1,000 decisions","points":{"$k":["label","value","n","highlight"],"$r":[["Claude Haiku 4.5 (thinking off) · Claude Code",3.364,82,true],["Claude Haiku 4.5 (thinking on) · Claude Code",8.924,82,false],["Claude Sonnet 5.5 (low) · Claude Code",7.324,82,false]]}}],"note":"Calculation, not a bill: the calls ran on a flat subscription. Reported input, cache and output tokens (thinking tokens are part of output) × list price, with the price table of the Jev-vs-LLM study. Sonnet cache writes use the one-hour rate ($4 per million tokens), as recorded in its receipts. The calculation matches the CLI-reported cost.","factContext":"typed routing decisions, thinking on vs off","sourceIds":["agent-haiku-thinking","agent-routing","calc-repricing","price-anthropic"]}}