Tools · 2
AI developer tools
Small, free tools for planning work with language model APIs. Prices come from the same vendor-checked data as our LLM API pricing pages.
Token counter
o200k_base tokenizer
Count the tokens in a prompt or document and see exactly how the text splits. Runs in your browser.
LLM API cost calculator
OpenAI, Anthropic, Google, xAI, DeepSeek
Enter tokens per request and monthly volume to rank every model by cost, with caching, batch and long-context rules applied.