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Anyone else experience Sonnet 5 contrarianism issues?

I can't imagine it's just me. In recent weeks/months, Claude (Sonnet 5) has picked up this really ugly habit of insisting on disagreeing, or "gently pushing back" (UGH, it keeps and keeps and keeps using that phrasing), on at minimum one thing, even if it has to be outright wrong or construct a str…

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  1. 2026-09-30 17:32 · r/ClaudeAI
    Anyone else experience Sonnet 5 contrarianism issues?

More stories

  1. Introducing Claude Sonnet 5.5 on AWS — AWS Machine Learning Blog
  2. Google rolls out Gemini 4 Argon to a small group of cybersecurity partners and says it outperforms GPT-6 Astra on certain coding and knowledge work benchmarks (Madison Mills/Axios) — Techmeme
  3. Anthropic warns of ‘existential risks to humanity’ in IPO prospectus — Financial Times AI
  4. With Opus 5.5 and Sonnet 5.5 both apparently outperforming Sol and Astra, Anthropic has technically made OpenAI’s Dev Day a lot more interesting. OpenAI is reportedly planning 20+ launches tomorrow, so I’m really curious to see what they have in store now. The timing couldn’t be more interesting. 😅 — r/OpenAI
  5. Introducing Anthropic models on Amazon Bedrock for in-region inference in Seoul and Singapore — AWS Machine Learning Blog
  6. Amazon Bedrock expands Claude model availability to in-country inferencing in India — AWS Machine Learning Blog
  7. Kimi K3: A Claude clone or something else? — CoreWeave Blog
  8. Tutorial: Benchmarking GPT-6 Astra vs Claude Fable 5.1 vs GPT-5.6 Sol using W&B Weave — CoreWeave Blog

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