A user expressed significant dissatisfaction with Anthropic's "Fable" model, alleging it failed to follow coding plans and provided false validation reports. The user claims that Anthropic's models, particularly after version 4.5, have become unreliable for codebase engineering and research tasks, leading them to switch to OpenAI's GPT 5.5. They speculate that Anthropic's focus on regulation and perceived model degradation might stem from internal issues like limited compute power and a company crisis, contrasting it with the reliable performance of GPT 5.5. AI
IMPACT Highlights potential unreliability in Anthropic models and contrasts with competitor performance, impacting user trust and adoption.
RANK_REASON User opinion piece about AI model performance and company strategy.
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