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Token limits, context rot, compaction cliffs and the productivity math vendors keep postponing.
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LLM Token Cost Calculator
Price a single model turn from its context mix, then scale it to a month of agent traffic. The defaults model a heavy 80k-token session at an 87.5 percent cache hit rate, the mix measured in the Cursor teardown.
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Price one agent turn from context mix, then scale to a month. Starts from a heavy agent session: 80k input tokens at 87.5 percent cache hits plus 1.5k output tokens.
Live result · Monthly model spend
· One turn priced from cache mix, scaled to a full month of agent traffic.
Monthly spend
$73,500
per month · turns × cost per turn
Cost mix per turn
28.6%cached
- Cached input
- Fresh input
- Output
Cost per turn
$0.0735 / turn
cached plus fresh plus output
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