Token counter
Count prompt tokens, preview token chunks, and estimate input cost.
Open token counterAI stack tools
AI stack tools for cost, tokens, and coding workflows
Find practical tools and decision pages for counting prompt tokens, estimating API cost, comparing LLM providers, and choosing AI coding tools.
StackLens tools
Start with the calculators
Use these first when you need token counts or a quick cost model before choosing a provider.
LLM API cost calculator
Estimate monthly LLM API spend from tokens, requests, and model prices.
Open cost calculatorAI coding tools
Compare coding assistants by decision path
Jump to pricing, alternatives, and comparison pages for tools used in developer workflows.
Cursor
GitHub Copilot
Windsurf
Claude Code
Tabnine
Codeium
LLM API providers
Check provider pricing and tradeoffs
Use these pages to compare source-tracked pricing, provider alternatives, and API tradeoffs.
OpenAI API
Anthropic API
Google Gemini API
DeepSeek API
Planned StackLens guides
Cost control and routing
These areas are planned as practical guides. They are listed here without links until the pages exist.
Model routing
Planned guide
Prompt caching
Planned guide
LLM observability
Planned guide
Budget alerts
Planned guide
Usage logs
Planned guide