#Context limit of GPT 4.1 for ChatGPT Plus users
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The context (token) limit for GPT-4.1 is 128,000 tokens. This applies to the model itself, and there is no indication in the knowledge sources that ChatGPT Plus users have a different context limit when using GPT-4.1. This 128k token context window allows for processing large documents and extended conversations within a single session Fine-tuning best practices: Token limits How can I access GPT-4o and GPT-4.1 mini?.