Free AI Tools
Interactive tools to help you build, optimize, and scale AI applications. All 100% free. No paywalls. Production-ready.
All Tools & Guides
AI Agent Playground
Build multi-agent workflows visually
Added Oct 3, 2025
Vector Database Comparison
Compare 8 vector databases for your RAG system
Added Sep 30, 2025
RAG Architecture Guide
Production patterns and code examples
Added Sep 25, 2025
Prompt Engineering Cookbook
12+ production-tested patterns with real examples
Added Sep 23, 2025
Architecture Decision Tree
RAG vs Fine-tuning vs Prompt Engineering
Added Sep 18, 2025
Testing & Evaluation Framework
Complete guide to testing LLM applications
Added Sep 16, 2025
AI Model Selector
Find the perfect model for your use case in 5 questions
Added Sep 9, 2025
Token Usage Optimizer
Analyze and optimize prompts to reduce token usage and costs
Added Sep 3, 2025
Token Cost Calculator
Calculate and optimize your LLM API costs across 11 models
Added Sep 2, 2025
AI Security Checklist
14 security items with code examples
Added Aug 28, 2025
RAG System Configurator
Interactive tool to design and configure your RAG pipeline
Added Aug 27, 2025
Coming Soon
New tools every Tuesday at 9 AM PST through December 31st
Token Usage Optimizer
Analyze and optimize your prompts to reduce token usage and costs. Get instant suggestions for more efficient prompts.
Available Oct 7, 2025
RAG System Configurator
Interactive tool to design and configure your RAG pipeline. Choose components, visualize architecture, and get production-ready code.
Available Oct 14, 2025
Model Fine-Tuning Advisor
Determine if fine-tuning is right for your use case. Dataset requirements, cost analysis, and alternatives.
Available Oct 21, 2025
Prompt Chaining Builder
Visual tool to build multi-step prompt chains. Connect outputs to inputs, handle errors, test flows.
Available Oct 28, 2025
AI Security Scanner
Scan prompts and responses for security risks. Detect prompt injection, PII leakage, and jailbreaks.
Available Nov 4, 2025
Context Window Optimizer
Maximize your context window usage. Smart chunking, relevance ranking, and context compression.
Available Nov 11, 2025
Prompt A/B Testing
Compare prompt variations side-by-side. Track performance metrics and statistical significance.
Available Nov 18, 2025
Latency Analysis Tool
Profile and optimize AI response times. Identify bottlenecks, compare providers, optimize workflows.
Available Nov 25, 2025
AI Bias Detector
Identify and mitigate bias in AI outputs. Fairness metrics, demographic analysis, mitigation strategies.
Available Dec 2, 2025
Prompt Version Control
Git-like version control for prompts. Track changes, compare versions, rollback safely.
Available Dec 9, 2025
Hallucination Detection
Detect and prevent AI hallucinations. Fact-checking, confidence scoring, source verification.
Available Dec 16, 2025
Dataset Curator
Build high-quality training datasets. Data labeling, quality checks, augmentation strategies.
Available Dec 23, 2025
Plus: 52 Free AI Prompts
Production-ready prompts for business automation