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Cut Your LLM API Costs: Guides and Free Tools
Short, practical guides and calculators for AI startups that want a smaller API bill without worse answers.
How to Cut Your OpenAI API Costs
Seven fixes that lower an OpenAI bill without hurting quality, from prompt caching to the Batch API.
GuideHow to Cut Your Anthropic API Costs
Prompt caching, batching, model choice and effort: how to lower a Claude API bill without losing quality.
Free toolLLM API Cost Calculator
Estimate cost per request, per day and per month for any model, with prompt caching included.
Free toolLLM Token Counter
Paste any prompt to estimate its tokens, cost per request and monthly input cost.
GuideHow to Calculate LLM Cost Per Request
The formula, a worked example, and why cost per request beats watching the total bill.
GuideCost Regression Protection for LLM Apps
What makes LLM costs creep back after you cut them, and how to catch it after every deploy.
GuideLLM Cost Optimization: The Complete Guide
The full playbook: what drives your LLM bill and every lever that lowers it, in order.
GuidePrompt Caching, Explained
How caching works at OpenAI, Anthropic and Google, and why it silently misses.
GuideHow to Cut Your Gemini API Costs
Caching, Batch Mode, Flash routing and thinking controls for a smaller Gemini bill.