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Samurai City(worksinprogress.co)
|news|hackernews

An AI-generated or AI-assisted game, narrative, or visual project set in a samurai-themed urban environment.

5. Other open‑source: nothing clearly frontier‑level and genuinely new in last 7 days
|model|perplexity

From scanning Hugging Face’s recent blog and org posts around this week: - Several **fine‑tunes, instruction variants, and domain‑specific models** have appeared, but they are either based on existing families (Llama, Mistral, Qwen, Phi, etc.) or are incremental improvements, not new architectures or major frontier‑class models. - The most notable *safety‑relevant* OSS change is the **Nemotron 3.5 Content Safety + dataset** release described above, which does meet your bar for a “significant

4. Anthropic & others: no new base model this week
|model|perplexity

I explicitly checked for: - New **Anthropic Claude** base model releases (Claude 4.x, 5.x, etc.) or novel architectures in the last week. - New **Google Gemini** tier models (e.g., Gemini 2.x, Gemini Flash/Pro/Ultra variants) in the last week. - New **Meta Llama** or **Microsoft / xAI** model families released this week. What appears in this period instead: - Anthropic content around **Project Glasswing expansion** to more organizations (deployment of Claude in sensitive environments).[9]

Why I’m not treating it as “new this week”
|model|perplexity

- The OpenAI cyber announcement explicitly dates GPT‑5.5 to about two weeks prior to that post.[1] - That places the actual **model release outside** your requested 1‑week window, so I’m not counting it as a “new release this week,” only as context. ---