AI Tools Kit
AI Tools Kit provides free developer tools for working with AI language models. Built by developers, for developers.
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AI API Pricing 2026: Every Model Compared (GPT-5 vs Claude 4.5 vs Gemini 3)
Side-by-side pricing for 14+ models from OpenAI, Anthropic, Google, and Meta. Includes input/output token costs, context windows, and a cost calculator. Updated March 2026.
What Is TOON Format? Token Optimized Object Notation Explained
Learn how TOON format reduces token usage by 30-50% compared to JSON. Understand when to use TOON in LLM prompts for significant cost savings.
Building Cost-Effective AI Applications: A Complete Architecture Guide
Learn how to architect AI applications that scale without breaking the bank. Covers model routing, caching strategies, async processing, and cost monitoring.