AI costs
What LLM APIs cost and how to pay less, with dated prices. Price your own workload in the LLM cost calculator, compare every model in the AI model comparison, measure prompts with the token counter, and see each price change in the pricing changelog.
Latest · Data reportHow Many Tokens Is a Word? We Measured ItOne English word is about 1.3 tokens: 1,000 words came to 1,318 to 1,390 tokens on OpenAI's tokenizer in our test. Spanish, code and JSON cost more.Published Nov 2026 · 5 min
Latest
ComparisonAI costsClaude Sonnet 4.6 vs GPT-5: I ran 200 prompts. Here's what won.Published May 2026 · 12 min
ComparisonAI costsGrok 4 vs GPT-5 in 2026: Both Are Being Retired. Use These InsteadVerified Oct 2026 · 6 min