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oneusefulthing.org

A Guide to Which AI to Use in the Agentic Era

Because of this change, you have to consider three things when deciding what AI to use: Models, Apps, and Harnesses. Models are the underlying AI brains, and the big three are GPT-5.2/5.3, Claude Opus 4.6, and Gemini 3 Pro (the companies are releasing new models much more rapidly than the past, so version numbers may change in the coming weeks).
— Ethan Mollick

5d ago

oneusefulthing.org

A Guide to Which AI to Use in the Agentic Era

Because of this change, you have to consider three things when deciding what AI to use: Models, Apps, and Harnesses. Models are the underlying AI brains, and the big three are GPT-5.2/5.3, Claude Opus 4.6, and Gemini 3 Pro. These are what determine how smart the system is, how well it reasons, how good it is at writing or coding or analyzing a spreadsheet, and how well it can see images or create them.

6d ago

oneusefulthing.org

A Guide to Which AI to Use in the Agentic Era

Because of this change, you have to consider three things when deciding what AI to use: Models, Apps, and Harnesses. Models are the underlying AI brains, and the big three are GPT-5.2/5.3, Claude Opus 4.6, and Gemini 3 Pro.

1w ago

oneusefulthing.org

A Guide to Which AI to Use in the Agentic Era

Now the same model can behave very differently depending on what harness it's operating in. Claude Opus 4.6 talking to you in a chat window is a very different experience from Claude Opus 4.6 operating inside Claude Code, autonomously writing and testing software for hours at a stretch.

1w ago

oneusefulthing.org

A Guide to Which AI to Use in the Agentic Era

Until a few months ago, for the vast majority of people, "using AI" meant talking to a chatbot in a back-and-forth conversation. But over the past few months, it has become practical to use AI as an agent: you can assign them to a task and they do them, using tools as appropriate.

1w ago

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