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    <loc>https://signum.news/events/anthropic-launches-claude-opus-5-5-with-20-list-price-cut-and-30-speed-gain-f66fc3ba778009c2</loc>
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      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-23T12:04:13.599Z</news:publication_date>
      <news:title>Anthropic launches Claude Opus 5.5 with 20% list-price cut and ~30% speed gain; OpenAI ships GPT-6 Sol and Luna same day at 50% lower prices than GPT-5.6</news:title>
      <news:keywords>AI, capability, economics, distribution, infrastructure</news:keywords>
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  <url>
    <loc>https://signum.news/events/at-t-confirms-ongoing-layoffs-and-copper-network-retirement-as-it-expands-ai-071f3ab9f3b10137</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
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      <news:publication_date>2026-09-23T12:03:08.253Z</news:publication_date>
      <news:title>AT&amp;T confirms ongoing layoffs and copper network retirement as it expands AI use in network operations and customer service</news:title>
      <news:keywords>AI, labour, power, infrastructure, economics</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/openai-hires-three-former-patreon-executives-including-co-founder-sam-yam-to-9a8d98933e5f2bf3</loc>
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      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
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      <news:publication_date>2026-09-23T12:01:46.636Z</news:publication_date>
      <news:title>OpenAI hires three former Patreon executives, including co-founder Sam Yam, to lead a new Creator Product effort</news:title>
      <news:keywords>AI, labour, distribution, economics</news:keywords>
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  </url>
  <url>
    <loc>https://signum.news/events/study-finds-no-persona-llm-prompting-predicts-real-audience-click-through-871e7cd65f012b05</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-23T06:03:27.719Z</news:publication_date>
      <news:title>Study finds no-persona LLM prompting predicts real audience click-through better than persona-based simulation</news:title>
      <news:keywords>AI, capability, economics</news:keywords>
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  </url>
  <url>
    <loc>https://signum.news/events/anthropic-and-openai-release-new-models-claude-opus-5-5-gpt-6-sol-gpt-6-luna-72da2283f0653d6e</loc>
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      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-23T00:08:48.350Z</news:publication_date>
      <news:title>Anthropic and OpenAI release new models (Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna) with steep price cuts, intensifying an AI model price war</news:title>
      <news:keywords>AI, economics, capability, distribution</news:keywords>
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  <url>
    <loc>https://signum.news/events/openai-launches-gpt-6-sol-and-luna-at-half-the-token-price-of-gpt-5-6-with-9be04d465c4f1d09</loc>
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        <news:name>Signum News</news:name>
        <news:language>en</news:language>
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      <news:publication_date>2026-09-23T00:05:21.199Z</news:publication_date>
      <news:title>OpenAI launches GPT-6 Sol and Luna at half the token price of GPT-5.6, with roughly flat intelligence scores per independent analysis</news:title>
      <news:keywords>AI, economics, capability, distribution</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/microsoft-leads-takedown-of-eviltokens-ai-assisted-phishing-fraud-platform-7c52272c751685eb</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-23T00:04:00.281Z</news:publication_date>
      <news:title>Microsoft leads takedown of &quot;EvilTokens&quot; AI-assisted phishing/fraud platform, disrupting scheme that compromised 12,000 Microsoft accounts</news:title>
      <news:keywords>AI, capability, regulation, distribution, labour</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/human-error-during-a-database-copy-operation-overwrote-11-years-of-maternity-3952733901a299dc</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T18:08:17.867Z</news:publication_date>
      <news:title>Human error during a database copy operation overwrote 11 years of maternity record access logs at Nottingham University Hospitals NHS Trust</news:title>
      <news:keywords>AI, infrastructure</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/anthropic-launches-claude-opus-5-5-matching-fable-5-1-performance-at-40-lower-ae968de6e1f16eca</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T18:07:27.124Z</news:publication_date>
      <news:title>Anthropic launches Claude Opus 5.5, matching Fable 5.1 performance at ~40% lower operating cost with faster output and less &quot;Claudish&quot; writing</news:title>
      <news:keywords>AI, capability, economics, distribution, regulation, infrastructure</news:keywords>
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  </url>
  <url>
    <loc>https://signum.news/events/anthropic-releases-claude-opus-5-5-citing-reduced-sandbox-escape-attempts-and-c4bbb09d084e38cf</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T18:05:43.215Z</news:publication_date>
      <news:title>Anthropic releases Claude Opus 5.5, citing reduced sandbox-escape attempts and cheaper inference</news:title>
      <news:keywords>AI, capability, economics, regulation, distribution</news:keywords>
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  </url>
  <url>
    <loc>https://signum.news/events/uk-aisi-publishes-verified-evaluation-results-and-configuration-data-via-9bf2cca37fbb7e7e</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T18:04:16.524Z</news:publication_date>
      <news:title>UK AISI publishes verified evaluation results and configuration data via EvalEval's Evaluation Cards, accompanying new inference-compute study</news:title>
      <news:keywords>AI, capability, infrastructure, regulation</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/xiaomi-releases-mimo-v2-6-pro-an-open-weights-1t-parameter-omnimodal-model-2e4811499dc55a0b</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T12:07:54.502Z</news:publication_date>
      <news:title>Xiaomi releases MiMo-V2.6-Pro, an open-weights 1T-parameter omnimodal model trained via a $2.6M RL run, topping open-weights intelligence benchmarks</news:title>
      <news:keywords>AI, capability, economics, distribution, infrastructure</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/cisco-talos-releases-open-source-cairn-framework-identifies-windows-malware-013875a22293f2b0</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T12:06:32.292Z</news:publication_date>
      <news:title>Cisco Talos releases open-source CAIRN framework, identifies Windows malware CLOSEDQUORUM that queries multiple LLMs for autonomous command-and-control decisions</news:title>
      <news:keywords>AI, capability, infrastructure, regulation</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/xiaomi-releases-mimo-v2-6-pro-flash-open-models-topping-open-model-rankings-as-103145aac9ce1bff</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T12:04:40.760Z</news:publication_date>
      <news:title>Xiaomi releases MiMo-V2.6-Pro/Flash open models topping open-model rankings, as Anthropic separately accuses Xiaomi of distilling Claude via 400,000+ conversations</news:title>
      <news:keywords>AI, capability, economics, distribution</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/hugging-face-transformers-adds-native-support-for-running-gguf-llama-cpp-a629ed68c6ab9062</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T12:02:46.552Z</news:publication_date>
      <news:title>Hugging Face Transformers adds native support for running GGUF (llama.cpp) quantized models, starting with Qwen3.5 on Apple Silicon</news:title>
      <news:keywords>AI, capability, distribution, infrastructure, adoption</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/cloudflare-python-workers-reach-general-availability-after-two-year-preview-9a29ce378117b51a</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T00:08:42.204Z</news:publication_date>
      <news:title>Cloudflare Python Workers reach general availability after two-year preview</news:title>
      <news:keywords>AI, infrastructure, distribution, adoption</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/newsom-signs-seven-bill-package-requiring-california-ai-data-centers-to-fund-b0a80a2d0904d3c5</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T00:04:26.204Z</news:publication_date>
      <news:title>Newsom signs seven-bill package requiring California AI data centers to fund grid and water upgrades</news:title>
      <news:keywords>AI, regulation, power, infrastructure, economics</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/security-researchers-find-zero-day-flaw-letting-local-apps-and-terminal-7e811f70fde87d26</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-22T00:03:43.463Z</news:publication_date>
      <news:title>Security researchers find zero-day flaw letting local apps and terminal commands hijack Meta's Muse AI assistant; Amazon begins blocking Muse</news:title>
      <news:keywords>AI, capability, distribution, power</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/microsoft-research-publishes-and-open-sources-retrochimera-a-retrosynthesis-e835b2101d2762d6</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-21T18:13:56.648Z</news:publication_date>
      <news:title>Microsoft Research publishes and open-sources RetroChimera, a retrosynthesis prediction model, in Nature</news:title>
      <news:keywords>AI, capability, distribution</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/xai-releases-grok-4-7-a-cheaper-coding-knowledge-model-that-trails-claude-and-93829c4e906d8cf8</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-21T18:09:41.553Z</news:publication_date>
      <news:title>xAI releases Grok 4.7, a cheaper coding/knowledge model that trails Claude and GPT-6 on independent benchmarks</news:title>
      <news:keywords>AI, capability, economics, distribution</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/mit-technology-review-investigation-finds-over-1-050-migrant-deaths-since-2015-100852d5f8cf4629</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-21T18:05:02.920Z</news:publication_date>
      <news:title>MIT Technology Review investigation finds over 1,050 migrant deaths since 2015 occurred within range of CBP's AI-enabled border surveillance towers, including 110+ near Anduril's autonomous towers since 2021</news:title>
      <news:keywords>AI, capability, regulation, power, adoption</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/mit-technology-review-and-times-of-san-diego-publish-first-comprehensive-map-of-8ef4ca823b91eb14</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-21T18:04:19.254Z</news:publication_date>
      <news:title>MIT Technology Review and Times of San Diego publish first comprehensive map of migrant deaths near US-Mexico border surveillance towers, using Claude to process thousands of county records</news:title>
      <news:keywords>AI, adoption, regulation</news:keywords>
    </news:news>
  </url>
  <url>
    <loc>https://signum.news/events/hugging-face-releases-tokenizers-v1-release-candidate-claiming-tens-of-times-3d66bc4ee73c88da</loc>
    <news:news>
      <news:publication>
        <news:name>Signum News</news:name>
        <news:language>en</news:language>
      </news:publication>
      <news:publication_date>2026-09-21T18:03:28.475Z</news:publication_date>
      <news:title>Hugging Face releases tokenizers v1 release candidate, claiming tens-of-times speedups over v0.23</news:title>
      <news:keywords>AI, infrastructure, capability, economics</news:keywords>
    </news:news>
  </url>
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