Token Counter & Cost Estimator

Estimate tokens and what a prompt will cost across Claude and GPT models. Calculated locally — nothing is sent anywhere.

Prompt / text

Characters

Words

~Tokens

Cost estimate

Model preset

Input $ / 1M

Output $ / 1M

Expected output tokens (optional)

Input (0 tokens)$0.00

Output (0 tokens)$0.00

Estimated total$0.00

Token counts are an approximation (~4 characters per token), not the exact tokenizer output. Prices are rough defaults — edit them to match current provider pricing. Everything runs locally; nothing is sent over the network or stored.