OpenAI builds GPT models, ChatGPT, and APIs that power mainstream generative AI products worldwide.
ChatGPT Plus $20/mo; API pricing $0.15-60/mo depending on model and usage volume (GPT-4.1: $2.00 input/$8.00 output per 1M tokens)
Best for organizations seeking state-of-the-art LLM capabilities with established reliability and continuous model iteration.
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