Model-specific input token counts for your AI apps.
Get your input token counts *before* calling your AI models to stay within your context windows and get input token costs ahead of time.
No credit card required.
Know your input token counts and costs before your AI model does.
Stay within model limits, eliminate token guesswork, and get cost estimates upfront — all before sending a single request.
Context
Windows
Windows
Ensure your prompts stay within the size of the context window of your AI models.
Better Token Counts
You no longer have to rely on token estimates from other libraries or your own calculations.
Upfront
Insights
Insights
Get input token counts and costs before calling your AI model instead of waiting on its response.
AI models from all the major players.
We currently support over 160 AI models from 19 model authors.
Prompt engineering made simple.
Our platform helps AI engineers build better prompts, faster — saving time, reducing costs, and improving AI outcomes.
No credit card required.
Purpose-built for AI engineers.
Empowering AI engineers with innovative tools to streamline development, increase productivity, and improve results.
Prompt Library
Organize and manage your prompts in shared workspaces for easy access and collaboration.
Prompt Versioning
Create multiple versions of your prompts, with each optimizable to improve AI performance.
Prompt Generation
Auto-generate high quality, immediately usable prompts based on your use case to save hours of time.
Prompt Scoring
Get scores for your prompts based on predefined and custom sets of criteria, scored 0-100.
Prompt Balance
Gain insights and recommendations about your prompt structure based on phrase categorization.
Prompt Heatmaps
Visualize which phrases in your prompts are given the most (or least) attention by AI models.
