cybele / cobalt not available in Side by Side ?

[AoD-Karl]

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I used your arena to translate some medical articles (to share privately) and after some tests I really liked some - Arena (after voting) told me it´s deepseek-r1 / cybele / cobalt-exp-beta-v1

But when I wanted to do another run using the Side-by-Side Arena I have 2 issues:

1. I see multiple versions of deepseek - are they different or just older versions? And what do you recommend to select to use?

2. I can´t even find the cybele / cobalt-exp-beta-v1 in the list af available ones.

I hope someone can help me to be less confused..^^ Thank you in advance!

But last: Big Big THX for your work, I love what you are doing!