Seems that arena.ai has taken all Claude Opus models offline?

As yesterday，it look like that arena.ai has taken all Claude Opus models offline?

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I am genuinely baffled how users chat inside a trial arena like it's supposed to be a product

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Bro i used that opus 4.6 and create a lot of tools for my unity project for free!

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I was using it to help me in tweaking my writing. Opus was becoming my favorite.

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because its free

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spotted，gpt-5.4-high also offine……

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What alternatives are you currently using?

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we are actually fucked

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its back now

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I see only opus 4-1 without opus 4.6

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I think the some gpt models are also offline

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gemini-3.1-pro-preview and grok-4.20-beta1 also i guess

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Anthropic announced there'd be changes. I believe I read about it in the Claude sub specifically.

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Seems like they misused the Claude subscription instead of using the api

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or they can fix it?

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Very local