Plan · Single prompt
Estimate tokens and cost before you call the model.
Paste a prompt. Pick a model. See input tokens, projected output cost, and context-window usage in real time.
Characters
0
Words
0
Lines
0
500 tokens
Estimated input tokens
0
Context window0.00% of 400,000
Estimated cost
Input
$1.25/1M tok
$0.00
Output
$10/1M tok
$0.005000
Total per call$0.005000
1K calls
$5.00
1M calls
$5000.00
Estimates use family-specific character/word heuristics and may differ from a model's exact tokenizer by ±10%. Prices reflect public list rates and can change — always verify with the provider before production budgeting.