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Claude Opus 4.1 Is Here And What It Means for AI Development

Ali Farhat on August 05, 2025

Claude Opus 4.1 was released by Anthropic in early August 2025. It didn’t arrive with marketing fanfare, flashy product demos, or multi-modal break...
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Anik Sikder

Claude Opus 4.1’s 200,000-token context window and 74.5% SWE-bench score really caught my attention. For working with large documents or complex codebases, that kind of memory and reasoning capability is a game changer.
I think a lot of folks waiting on GPT-5 might start leaning toward Claude now. Anthropic’s balanced improvements and focus on safety are genuinely impressive.
I’m even considering using Claude 4.1 for my next AI agent project!

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Abhirup Majumder

does it cost to use this?

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Anik Sikder

Yes, using Claude Opus 4.1 does incur costs.

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Ali Farhat

🙌 🙌

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Mei Park

I notice a definite difference with Claude Opus 4.1 over 4, even for simple things like the browser games I'm building with my 2-year-old. The outputs are much more "thoughtful" which is saying a lot, especially over Opus 4.

GPT-4 was nowhere close, sorry 🤷‍♀️

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SourceControll

Thanks!

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Ali Farhat

YW 🙌

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Jan Janssen

Thanks!

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Ali Farhat

YW! 🙌

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Rolf W

There it is, let's see the specs from gpt-5 when it comes out

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ArshTechPro

need to explore this