Apps & products updates

• Show HN: TinyAIArena watches AI agents battle it out

  A Show HN project called TinyAIArena lets users watch AI agents battle each other.

  UnconfirmedPublished newsSep 27Source: Hacker NewsPart of TinyAIArena
• OpenTrainDNN: browser-based real-time neural network visualizer

  An open-source project called OpenTrainDNN visualizes neural network training in real time in the browser.

  UnconfirmedPublished newsSep 27Source: r/MachineLearningPart of OpenTrainDNN
• Google will turn Gemini Gems into skills starting November 17, per 9to5Google

  9to5Google reports that a notice in the Gemini app's Gems manager says Google will begin automatically migrating Gems to skills on November 17, 2026, and that Gems can be used until they migrate. Skills, introduced with Gemini Spark, can be invoked with a / in the prompt box, and several can be used at once. TechCrunch reports that users won't have to do anything to make the transition.

  Reported by 9to5GooglePublished newsSep 27Source: 9to5GooglePart of Google
• Grok's iOS app now supports adding multiple accounts

  xAI's Grok said its iOS app can now add multiple accounts.

  OfficialSep 26Source: x.com
• Anthropic appears to be preparing a 'Money' tab in the Claude mobile app for linking bank accounts, per TestingCatalog

  TestingCatalog reports that unreleased interface elements in Claude's iOS app show a separate Money tab whose onboarding says users can link bank accounts and ask Claude about spending, plans and other financial questions. No equivalent tab has appeared on Claude's web interface, and the data provider, supported account types and launch timing are unknown. Anthropic has not announced the feature. TestingCatalog first reported this on Sep 14.

  UnconfirmedPublished newsSep 14Source: TestingCatalogPart of Claude

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