OneTaskAI and LLM Tools
AI Token Counter, LLM Cost Calculator and Context Window Calculator
Tools for working with large language models. Count tokens, estimate API and embedding costs, check what fits in a context window, plan retrieval chunks, structure and compare prompts, and turn chatbot Markdown into plain text. Everything runs in the browser.
8 tools tagged AI
AI Token Counter
Count GPT tokens in a prompt or document with o200k_base, in your browser.
Context Window Calculator
Check whether a prompt, documents and reply fit a model's context window.
Embedding Cost Calculator
Estimate what it costs to embed documents and how much storage the vectors take.
LLM Cost Calculator
Price LLM API calls per request and per month, with caching.
Markdown Cleaner
Strip Markdown from AI output and get clean plain text.
Prompt Diff
Compare two prompt versions and see exactly what changed.
Prompt Formatter
Turn loose notes into a structured prompt with XML tags or headings.
RAG Chunk Calculator
Plan chunk size and overlap for retrieval-augmented generation.