AI Data Tools
Free tools for people who care about the numbers behind AI.
LLM Cost Calculator
Calculate API costs across models. Pick a model, enter your token counts, get the price. Covers OpenAI, Anthropic, Google, Meta, Mistral, and more.
Benchmark Decoder
Search any AI benchmark and get a plain-English explanation of what it measures, why it matters, and which models score highest.
Model Size Visualizer
See how 1B, 7B, 70B, and 405B parameter models compare visually. Proportional visualization that makes the scale differences click.
AI Training Data Tracker
What data went into each model? Training sources, cutoff dates, and known issues for 18+ major models. The transparency report the labs won't give you.
Model Graveyard
Every deprecated and sunset AI model. Born dates, death dates, causes of death, and what replaced them. 25+ models with lifespan visualization.
AI Energy Calculator
How much electricity does your AI usage cost the planet? Calculate watts per query, kWh per month, and CO2 emissions for any model.
Hallucination Index
Track factual accuracy across models. SimpleQA, TruthfulQA, and FreshQA scores combined into one sortable index. Higher is better.
AI Data Leak Timeline
Chronological timeline of AI-related data breaches, leaks, and privacy incidents. 17+ documented events from 2023 to 2025.