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Ethan Mollick
@emollick
The ability of o3 to agentically use tools in sequence in its chain-of-thought in the chat interface remains a huge differentiator among AIs. I am not sure o3 is "smarter" than Gemini 2.5 or Claude 4 (both do better websites than o3, for example), but you can see how tool use
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Ethan Mollick
@emollick
I am sure that both Claude and Gemini will gain this ability at some point, they are both good at tool use, or that it matters much when not using the chat interface, but for chat users it does make a difference for now.
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Ethan Mollick
@emollick
So Claude does do this. Haven’t managed to make it happen yet. My queries aren’t hard enough i guess.
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Alex Albert
@alexalbert__
Replying to @emollick and @peakcooper
With extended thinking on it will automatically do it if the request is complex enough. It's not technically in the chain of thought but it interleaves chain of thought between tool calls x.com/alexalbert__/s
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David Watson 🥑
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