Free Tools

AI API productivity tools for engineering teams: token counting, cost estimation, model recommendation, prompt debugging. No sign-up required — make smarter decisions during model selection and budget planning.

Popular

Token Calculator

Paste text and instantly estimate token counts and API costs for Claude, GPT, Gemini, and DeepSeek — with side-by-side comparison against official pricing.

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Coming soon

Monthly Cost Estimator

Forecast your monthly AI API bill from business metrics (users, DAU, avg. conversation length). A handy budget planning tool.

In development, stay tuned

Planned

Model Recommender

Describe your scenario (coding / customer support / creative writing) and get a tailored model combination with reasoning.

In development, stay tuned

Planned

Prompt Debugger

Compare outputs from multiple models side-by-side on the same prompt — great for tuning and model selection.

In development, stay tuned

Like the tools? Try the full AI API platform too

Claude / GPT / Gemini — all accessible via one account. Free credits on signup.

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