Changelog

What was added or changed, and when. The pricing and model data are re-checked against the providers’ pages at least every 30 days; the oldest check currently on file is 2026-10-14.

• 2026-10-14Tool

  Added LLM engineering tools: LLM Token Cost Calculator, Context Window Checker, Prompt Caching Calculator, Local LLM VRAM Calculator, Vector DB Size Calculator, RAG Text Chunker, Tool Schema Converter, Fine-tuning JSONL Validator and LLM Rate Limit Planner. See it

• 2026-10-14Tool

  Added data conversion tools: T-SQL to PostgreSQL DDL Converter and JSON to Pydantic Models. See it

• 2026-10-14Guide

  Published five guides: how LLM API pricing works, how much VRAM a local LLM needs, choosing chunk size and overlap for RAG, function-calling formats compared, and vector database sizing. See it

• 2026-10-14Pricing data

  Initial pricing and model data checked against the official Anthropic, OpenAI and Google pages and the Hugging Face model repositories. Models whose values could not be verified were left out. See it

• 2026-10-14Site

  Added share links, embeddable tool views, offline support (service worker) and Open Graph images. See it