Prompt Token Counter & Cost Preview
Paste a prompt below to estimate its token count, then see exactly what a single API call costs across 10+ models β before you spend a cent. Perfect for sizing system prompts, RAG contexts, and agent instructions.
π Your Prompt
Estimated Input Tokens
0
Β±15% tokenizer variance
Characters:
0
Words:
0
Lines:
0
βΉοΈ How the estimate works: Latin text β 4 chars/token, CJK characters β 0.7 tokens each, code β 3.3 chars/token. Real tokenizers (o200k, SentencePiece) vary by Β±15% β always verify against your provider's usage dashboard.
Per-Call Cost Across Models
| Model | Input / Output (1M) | This Prompt (Input) | Output Cost | Total / Call | 1,000 Calls |
|---|
πΈ Planning monthly spend? This tool prices a single call. To project daily volume, caching savings, and monthly totals, use the LLM Cost Calculator β and read Prompt Caching Strategies to cut input costs by up to 90%.