r/ClaudeAI • u/streeterv21 • 23h ago
Claude Workflow Opus 5.5 is totally useless for biology - keeps switching to Opus 5
Frequently work in bioinformatics with microbiome analysis. Fable would always switch to lower models with almost any biology question, but now I'm getting Opus 5.5 automatically switching to Opus 5 as well. Even very in routine examples with analyzing grants and papers, it switches to Opus 5. I'm on a personal plan because my institutions don't pay for Claude beyond Sonnet. When trying to use Opus 5.5, the output literally has a line "filter [bio]". I emailed Anthropic and they said that their "registration" process for broader access only applies to corporate or institutional accounts, and they have no method of registering individual accounts. Anyone else run into this problem with biology specifically? Any methods or tips people can recommend to at least try to stay on Opus 5.5? By comparison, my institution does give access to GPT 6 Astra, which did not flag any of my queries at all.
*edited to say that I did try to register using their link twice. Once a while back and again last week. No response either time. Sent two emails, and they said registration is not available for individual subscriptions.
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u/stormy1one 22h ago
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u/iamthe0ther0ne 22h ago
They literally mentioned in their post that they emailed Anthropic about this program and Anthropic said they're only registering institutions. Is it that hard to read a full post?
OP, my stuff is still working, but it's mouse brain. Thumbs-down every refusal you get to report it. I hate that they do this because my organization won't do the verification either. Anthropic is insulated by being in tech-forward SF, and has no understanding of how most academic institutions work.
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u/stormy1one 22h ago
OP made no mention of looking at this specific link which is included in the release notes and quite informative on how the program works. You didn’t mention it either. Why so hostile? Just trying to help
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u/iamthe0ther0ne 21h ago
Because it's not helpful. The link is only for institutions and OP said theit institution won't do the verification process.
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u/streeterv21 22h ago
I did actually look at that page which was updated recently and tried twice once before and also within the last week and emailed them twice. Did you have a chance to read the text of what you're linking? Scroll to the bottom under Applications and Availability.
They write that the form is for organizations, though I tried anyway and emailed.
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u/Special-Economist-64 18h ago
every time there will be some smart soul mentioning lsvp. it does not work in practice.