CALCULATOR

Monthly bill: all Opus vs routed by tier

Your monthly spend, all on Opus 5.5

Share of work moved to Sonnet 5.5

40%

Share of work moved to Haiku 4.5

30%

Routed mix, rest stays on Opus$2,070/mo

Saved by routing$1,530/mo

Everything on Sonnet 5.5$1,800/mo

Editable: your spend and both shares. Fixed Anthropic rates per million (in/out): Opus 5.5 $4/$20, Sonnet 5.5 $2/$10, Haiku 4.5 $1/$5. No caching or retries.