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Chat and everyday writing

GPT-6 Luna

OpenAI

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Published benchmark scores
Cost: Free with limits in ChatGPT; also rolling out to Go.
Performance: OpenAI's everyday GPT-6 model for ChatGPT Free and Go. Intelligent UI can add charts, forms and small interactive tools to answers; the launch's performance comparisons are OpenAI's own claims.
Use it for: Everyday writing and summarizing
Career questions and interview practice
Interactive answers in ChatGPT
Keep in mind: Free access has limits; availability follows the announced rollout.