AI Cost, Subscription & GPU Payback Calculators

Interactive calculators for estimating monthly API spend, comparing subscriptions vs pay-as-you-go, and sizing local GPUs for self-hosting open-weight models.

Step 1: Set daily calls & token length (or paste sample text) → Step 2: Set multi-turn depth & cache hit rate → Step 3: Compare real monthly USD & RMB spend across all models

Calls per Day100

Input Tokens per Turn3000

Output Tokens per Turn1000

Multi-Turn Conversation Depth1

Prompt Cache Hit Rate (%)50

Optional: Paste text to count tokens0

Model	In / Out ($/1M)	Cache Hit ($/1M)	Est. Monthly Bill (USD)	Est. Monthly Bill (CNY)

① Set team seat count & daily usage intensity → ② Inspect subscription savings vs pay-as-you-go API spend

Number of Users Sharing1

Turns per Person per Day60

Task Intensity

① Select open-weight parameter scale & quantization → ② Set concurrent load & current monthly API budget → ③ Review required VRAM, recommended GPU cards & break-even period

Open Model Parameter Size

Quantization Precision

Context Length

Concurrent Active Requests4

Monthly Cloud API Spend ($)800