AI Engineering & LLM Tools
Specialized utilities for AI developers, prompt engineers, and LLM practitioners. Count tokens across GPT-4o, Claude 3.5, and Gemini, structure XML system prompts, size vector databases, and forecast RAG memory costs.
AI Token Counter & Cost Calculator
Estimate token count and API costs for OpenAI (GPT-4o), Anthropic (Claude 3.5), and Google (Gemini) models.
Context Window Calculator
Visualize how much of each AI model's context window your prompt or document uses across 12+ LLMs.
AI API Budget Calculator
Project monthly and annual AI API costs across OpenAI, Anthropic, Google, and Groq based on your request volume.
AI Embedding Cost & Vector Memory Calculator
Calculate vector embedding generation costs, dimensions, and HNSW Vector DB RAM requirements for RAG architectures.
AI Prompt Formatter & XML Tag Builder
Format high-performance system prompts using Anthropic-recommended XML tags and structured Markdown delimiters for Claude 3.5 Sonnet and GPT-4o.
Frequently Asked Questions
Common questions about our ai engineering & llm tools.
In-Depth Guides & Tutorials
View all articlesHow to Properly Format JSON Payloads for REST APIs
Learn the standard practices for organizing and nesting JSON structures for optimal API transmission and parsing performance.
Understanding Base64 Encoding: A Complete Guide
A deep dive into how binary data is translated into 64 ASCII characters for safe web transport and storage.
The Math Behind Loan Amortization & EMIs
Unpacking the complex formulas that power Equated Monthly Installments and how interest compounds over time.