Observed arrival · 2026-10-23
Norwell Tools’ 21 AI API cost calculators
A browser-based toolkit estimates AI API costs across models and workloads, with calculators for prompts, caching, batches, context windows, and more.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Developers and product teams budgeting AI features
- Worth noticing
- The main calculator includes cached-input share and a Batch API discount alongside monthly request volume.
Field notes
The main LLM calculator lets users choose a model and enter input and output tokens, monthly request volume, cached share, and Batch use; it displays a per-request cost and includes a copy-link control. The listed toolkit also covers context-window fit, prompt-caching savings, and self-host/API break-even. The page says the calculations use vendor list prices read on 2026-10-20; saving scenarios and exporting CSV or JSON require Pro.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
◎NicheUnusually specific use
One card from the complete issue