Guides.
Spend less on tokens.
The cheapest LLM APIs right now
Ranked by real monthly cost, not headline price. Checked Oct 20, 2026.
Cheapest LLM API for a chatbot
What a customer-support or chat assistant costs on each model.
Cheapest LLM API for coding agents
Agents re-send big contexts. Here's what that costs.
How to estimate LLM token costs
A five-minute method that gets you within the right order of magnitude.
How much prompt caching saves
Cached input is 75% to 98% cheaper, depending on the model.