OpenAIExact tokenizer

GPT-5

Planning rates for the OpenAI API. Blended price $3.44 per 1M tokens at a 3:1 input-to-output mix.

Price

$3.44

blended per 1M tokens

Input$1.25 / 1M

Output$10 / 1M

10k in + 2k out$0.0325

100k in + 8k out$0.2050

400,000

token context window

Family gpt. GPT-family counts use the browser tokenizer.