Free · No signup · 11 models

Prompt Cost Predictor

Paste any LLM prompt → instant per-model cost across GPT-5.2, Claude Sonnet 4.5, Gemini 3, DeepSeek, Groq. Jan-2026 pricing, deterministic math, no LLM call needed.

Your prompt
Paste your system prompt (stays the same every call) and a representative user prompt.

Want this running on your actual prompts in production?

CARTIEAI tracks every LLM call you make → tells you which features actually pay for themselves, which customers cost more than they pay, and which models you should swap. Free tier. Outcome pricing.

Prompt Cost Predictor FAQ

Still have questions? Email hello@cartieai.com — replies within 4 business hours.

See full FAQ

Install CARTIEAI

Add to your home screen for quick access and offline support