Part of OpenAI Trade Secrets Theft · 4 stories · since Sep 14 · newest 18m ago
Anthropic launches Claude Opus 5.5, cutting price 40% while lifting coding performanceThe New Stack reports Opus 5.5 broke agent-dependent workflows
6 Today 8:00 AM · 15h ago · 1 article · 1 post · 9 comments · 2 sources · development 6 of 7
A New Stack investigation found that despite the price cut, the Opus 5.5 rollout disrupted several things developer agents relied on, and separately warned that agent calls could be silently routed to an older model.
“Opus 5.5 will be great for 2-3 weeks than the nerfing starts. They give out some extra credits. It keeps degrading Opus until it's unusable.”
gtirloni, HN commenter · hn ↗Anthropic Developer of Claude Opus 5.5
Dario Amodei Anthropic CEOMETR / Frontier Design External evaluatorsClaude Code developers Users of Anthropic's coding agent
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What was reported 1 claim about this development
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first by The New Stack, 15h ago
What people said 9 voices · verbatim
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A year ago I was trying to have these models write css for me to support mobile styles for an ERP system. There were so many quirks that you typically have with css, and it couldn't figure out how to properly get it done. I'd ask it to fix something and it'd break something else - pretty much as good as any average developer is with css.Out of…
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> Because Opus 5.5 is comparable to Claude Mythos 5.1 in biology and cybersecurity, we’re deploying it with safeguards similar to those on Claude Fable 5.1According to their ToS, conversations flagged by the guardrails when using Fable are stored longer for moderation. That included Fable's guardrail for AI research. Moderation can mean a human…
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The hype/degrade/hype marketing cycle that Anthropic uses to cycle between Fable/Opus or Opus/Sonnet releases is too obvious at this point.Opus 5.5 will be great for 2-3 weeks than the nerfing starts. They give out some extra credits. It keeps degrading Opus until it's unusable . By that time they are ready to release Fable 6. Which also is great…
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they absolutely are not pacing How would you know if this release is absolutely the best model they were capable of releasing as soon as possible, or an inferior model, several releases short of what they’ve achieved months ago?
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It is much more important to discuss the fact that the models still produce wrong results.This type of product would not have been published in a world where we assumed that computers must produce reliably correct results.
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> Does that mean that I can no longer trust Opus with not snitching my AI research to Anthropic either?You never could trust it. Fundamentally you leak everything your LLM uses to their servers.
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And here we have it: the real reason that regulation has been called for, the ability to put out models that don't vastly outperform those previous, while not upsetting (future) shareholders.
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"pace the frontier" = if we fall behind the competition we can say we're being responsible and humanitarian.
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They are calling for a coordinated frontier pacing effort, not a unilateral one. There's no contradiction here.
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