Tools & Data

Free AI Tools & Live Data

Live benchmarks, model and API prices, GPU rental costs, and agent framework rankings. The data we track to ship AI, free for you to use.

Browse the Tools

Hardware Models & Benchmarks Agent Frameworks

Hardware

Pick the right GPU, edge device, or workstation for your AI workload.

AI Hardware Directory

Compare GPUs, edge devices, TPUs, and more. Real specs, real benchmarks, and a built-in calculator to match hardware to your AI workloads.

Browse Hardware

Hardware Calculator

Enter your hardware specs and discover which AI models run best on your setup. Match GPUs, edge devices, and accelerators to compatible models based on real performance data.

Open Calculator

ROI calculator comparing local AI hardware costs to cloud API pricing.

AI Hardware ROI Calculator

Compare the total cost of running AI locally versus paying for cloud APIs. Find your break-even point and see long-term savings with an interactive amortization chart.

Calculate ROI

Workstation builder wizard recommending AI hardware setups by budget and use case.

AI Workstation Builder

Tell us your budget, what you want to run, and your software stack. We match you to a hand-checked parts list and a pre-built option, side by side.

Start the Wizard

GPU Rental Price Index

Live cloud GPU rental prices across RunPod and the Vast.ai marketplace. Find the cheapest H100, A100, or RTX 4090 right now and see which models fit each card.

Compare Prices

Three-way comparison of self-hosting, renting, and using APIs for AI workloads.

Self-Host vs Rent vs API

Decision tool that compares buying a GPU, renting one in the cloud, and paying per token across the leading APIs. Powered by live OpenRouter and GPU rental prices.

Run the Comparison

Models & Benchmarks

Rank, compare, and track open and closed AI models across benchmarks.

AI Model Rankings

Open-source AI models ranked by benchmarks, popularity, and hardware efficiency. Compare models, check VRAM requirements, and find the best model for your GPU.

Explore Rankings

Live API price tracker showing per-token costs across hosted AI models.

Live AI API Price Tracker

Live per-token pricing for 200+ hosted AI models across OpenAI, Anthropic, Google, and more. Sort by input, output, or blended cost. Refreshed hourly from OpenRouter.

See API Prices

AI Model Treemap

A live treemap of the most downloaded open source models on Hugging Face this month. Tile size shows downloads, color shows the trend. Embed it on your site with one click.

Open the Treemap

Bar chart comparing open and closed source AI model benchmark scores.

Open vs Closed AI Gap Tracker

See the score gap between open-source and closed-source AI models across every text benchmark. Sorted lowest to highest, color-coded so the gap is obvious at a glance.

Open Gap Tracker

Library of AI benchmarks with score distributions and rankings.

AI Benchmarks Library

Plain-language deep dives for each of the 11 datasets we score AI models on. Top scorers, score distributions, lab averages, and benchmark-to-benchmark correlations.

Browse Benchmarks

Aggregated status dashboard for the major AI vendors and Cursor IDE.

AI Stack Status Tracker

Live status and recent incidents for OpenAI, Anthropic, Google AI Studio, xAI, and Cursor in one place. Refreshed every 5 minutes, with an aggregated RSS feed and a banner when more than one vendor is hit at once.

Open Status Tracker

Agent Frameworks

Every notable agent framework, ranked and ready to compare side by side.

Agent Frameworks Directory

Every notable agent framework, ranked by GitHub stars, downloads, contributors, and capabilities. Filter by language, license, and feature flags.

Browse Frameworks

Side-by-side comparison view of agent frameworks.

Compare Agent Frameworks

Pick two or three frameworks and see stars, downloads, capabilities, and trade-offs side by side. Share the link to revisit the comparison anytime.

Open the Comparator

Agent Cost Calculator

Estimate per-task and monthly cost of running an AI agent on your workflow. Workflow-aware math with framework overhead for LangGraph, CrewAI, Mastra, and the OpenAI Agents SDK.

Calculate Cost

Agent Benchmark Leaderboard

Live rankings of AI agent systems across GAIA, SWE-bench Verified, Tau-Bench, SciCode, USACO, and more. Filter by model, framework, and agent type, and embed the top three anywhere.

View the Leaderboard

Directory of LLM inference engines with rankings and capability flags.

Inference Engines Directory

Every notable engine for running LLMs locally and in production, ranked by GitHub stars, downloads, and capabilities. Compare vLLM, Ollama, SGLang, llama.cpp, and more by hardware and license.

Browse Engines

Side-by-side comparison view of LLM inference engines.

Compare Inference Engines

Pick two or three engines and see stars, downloads, capabilities, and trade-offs side by side. Share the link to revisit the comparison anytime.

Open the Comparator

Directory of desktop AI apps with rankings and capability flags.

Desktop AI Apps Directory

Every notable desktop app for chatting, coding, running agents, and fine-tuning on your own machine. Live GitHub stars, release downloads, platform support, and the engines and models each one runs.

Browse Apps

Side-by-side comparison view of desktop AI apps.

Compare Desktop AI Apps

Pick two or three desktop apps and see stars, release downloads, platforms, capabilities, and trade-offs side by side. Share the link to revisit the comparison anytime.

Open Comparator

Free Monthly Report

The AI Build Report

The state of AI models, API prices, and what to run where. New every month, free.