LLM API guides, pricing and model selection
Practical guides for LLM pricing, model selection, scenario cost, provider comparisons, and calculator workflows.
LLM API pricing guide
Understand input tokens, output tokens, cache pricing, batch discounts, context windows, and route differences before choosing an LLM API.
ChatGPT API cost calculator guide
Estimate ChatGPT and GPT API costs from monthly requests, token volume, cache hit ratio, and batch usage.
Claude API pricing guide
Compare Claude Opus, Sonnet, and Haiku pricing for coding agents, long-running workflows, chat, and high-volume automation.
Gemini API pricing guide
Compare Gemini Pro and Flash options for long context, multimodal prompts, high-volume chat, and cost-sensitive workloads without relying on headline price alone.
How to find the cheapest LLM API
Find low-cost LLM APIs without ignoring context, output price, quality signals, free-route limits, and production reliability.
How to choose an LLM model
Choose an LLM model by balancing price, quality, context window, output limit, latency, route, source confidence, and required capabilities.
RAG cost calculator guide
Estimate RAG pipeline cost by separating retrieved context tokens, user prompt tokens, generated output, cache reuse, and long-context model pricing.
Coding agent model comparison guide
Compare GPT Codex, Claude Sonnet, Qwen Coder, DeepSeek, Grok Code, and other coding models by cost, context, tool support, and output budget.
