OpenAI's model family for text, code and image generation.
OpenAI API flagship gpt-6.1-sol costs $2 input / $10 output per 1M tokens; top-end gpt-6-astra $10/$50, lightweight gpt-6-luna $0.10/$0.50. Batch/Flex are 50% off, Fast is 2x. ChatGPT Plus is $20/month.
Links & pricing