Predict Exact Token Costs
Before Running AI Prompts
Paste your prompt template, define variables, and instantly see token counts and dollar costs across GPT-4, Claude, Gemini, and more — before a single API call.
Get Access — $14/moCancel anytime. Instant access.
10+
AI Models Supported
Real-time
Token Calculation
100%
Pre-execution Accuracy
Simple Pricing
Pro Plan
$14
per month
- ✓Unlimited prompt analyses
- ✓GPT-4, Claude 3, Gemini Pro & more
- ✓Variable substitution previews
- ✓Cost breakdown per model
- ✓Batch template comparison
- ✓Export reports as CSV
FAQ
How accurate are the token predictions?
We use the same tokenization libraries (tiktoken for OpenAI, official tokenizers for others) that the AI providers use, so predictions match actual API usage exactly.
Which AI models are supported?
GPT-3.5, GPT-4, GPT-4o, Claude 3 Haiku/Sonnet/Opus, Gemini Pro, Gemini 1.5, Mistral, and Llama 3 — with new models added regularly.
Can I cancel my subscription anytime?
Yes. Cancel with one click from your billing portal. You keep access until the end of your billing period with no questions asked.