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esper - Offline & Private AI for iOS
Your choice: Mobile AI chat offline or with any online model
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Cody Ingram

esper - Offline & Private AI for iOS - Your choice: Mobile AI chat offline or with any online model

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Esper is a powerful LLM chat app on iOS. Run open-source models fully offline, no internet needed. Or connect your own API key (OpenAI, XAI, etc.). Supports models from Meta, Deepseek, Nous, Microsoft, and more. Total flexibility, total privacy.

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Cody Ingram
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I built esper because I felt very strongly that large companies shouldn't control everyone's access to AI. Many organizations were releasing increasingly capable open-source models, but there weren't a lot of great mobile solutions for running them. At the same time, not everyone is going to want to use these models for every task, and should have the choice to use whatever models they want. So I created esper, a mobile chat client that allows you to download offline models, connect to online providers with API keys, and then seamlessly switch between whatever models you want.