Plain-English guides on AI API pricing, cheapest models, chatbot costs, prompt caching, and model routing. Fresh posts every week, up-to-date for every major provider.
Real per-token costs for the three AI flagships in 2026: GPT-5.5 at $5/M, Claude Opus 4.7 at $5/M, Gemini 3.1 Pro at $2/M. See which one earns its price.
Anthropic prompt caching with cache_control: code samples, up to 90% off cached input tokens, plus OpenAI and Google caching and the edge cases that break it.
Real per-task costs for the major reasoning models in 2026: o3, o4-mini, DeepSeek R1, DeepSeek V4 Pro, Claude Sonnet thinking, and Magistral. Plus the hidden output token problem.
Calculate what an AI chatbot costs per month at any volume. 2026 API prices for OpenAI, Claude, and Gemini plus the formula and worked examples at 100, 1k, 10k, and 100k daily conversations.
Use max_output_tokens with the Responses API, max_completion_tokens with o3 and o4-mini, max_tokens with Chat Completions. Code samples and the error each one fixes.
GPT-5.5 API price in 2026: $5 per million input tokens, $30 per million output tokens. Double the gpt5.5 cost vs GPT-5.4. When the upgrade earns its price and when GPT-5.4 still wins.
Three tactics that cut my AI API costs: ditching flagships for easy tasks, caching and trimming system prompts, and building a calculator when I got tired of doing the math.
ChatGPT vs Claude vs Gemini API cost compared head-to-head. 2026 pricing from OpenAI, Anthropic, and Google for flagship and budget tiers, plus which API to pick for each use case.
A plain-English cost guide for developers building chatbots with the OpenAI, Claude, or Gemini API. Real monthly numbers for 100 to 100,000 users, plus ways to cut your bill in half.
Every OpenAI model's API price in 2026: GPT-5.5 at $5/M, GPT-5.4 at $2.50/M, GPT-4o mini at $0.15/M. Real cost per request and how prompt caching cuts the bill 90%.
Real Claude API prices for 2026: Opus 4.7 at $5/M, Sonnet 4.6 at $3/M, Haiku 4.5 at $1/M. See which tier fits your project and how prompt caching cuts costs 90%.
Comparing 25+ models across 7 providers to find the lowest-cost AI APIs that still get the job done.