# AI News Digest - 2026-03-13

1. Nvidia announced plans to spend $26 billion over the next five years on open-weight AI models to address an open-source model gap and to reinforce its developer ties to Nvidia hardware.

2. Microsoft launched Copilot Health, an AI health assistant that aggregated data from wearables, medical records, and lab results to provide personalized health advice and indicated long-term work toward "medical superintelligence."

3. Google introduced Ask Maps, a Gemini-powered feature that answered complex place-related queries in plain language, displayed personalized results on a customized map, and shipped a revamped 3D navigation system.

4. OpenAI's ChatGPT continued to lead the chatbot market but lost market share, declining from 75.7% to 61.7% in twelve months while Google's Gemini grew from 5.7% to 24.4%, according to Similarweb figures.

5. US War Department CTO stated that Anthropic's AI models "pollute" the supply chain with built-in ethics and advocated excluding Claude from procurement.

# References

1. [https://the-decoder.com/nvidia-steps-into-the-open-source-ai-gap-that-openai-meta-and-anthropic-left-behind/](https://the-decoder.com/nvidia-steps-into-the-open-source-ai-gap-that-openai-meta-and-anthropic-left-behind/)

[Nvidia steps into the open-source AI gap that OpenAI, Meta, and Anthropic left behind](https://the-decoder.com/nvidia-steps-into-the-open-source-ai-gap-that-openai-meta-and-anthropic-left-behind/)

1. [https://the-decoder.com/copilot-health-marks-microsofts-entry-into-the-ai-health-race-alongside-openai-and-anthropic/](https://the-decoder.com/copilot-health-marks-microsofts-entry-into-the-ai-health-race-alongside-openai-and-anthropic/)

[Copilot Health marks Microsoft's entry into the AI health race alongside OpenAI and Anthropic](https://the-decoder.com/copilot-health-marks-microsofts-entry-into-the-ai-health-race-alongside-openai-and-anthropic/)

1. [https://the-decoder.com/googles-new-ask-maps-lets-you-search-for-places-in-plain-language-using-gemini-ai/](https://the-decoder.com/googles-new-ask-maps-lets-you-search-for-places-in-plain-language-using-gemini-ai/)

[Google's new Ask Maps lets you search for places in plain language using Gemini AI](https://the-decoder.com/googles-new-ask-maps-lets-you-search-for-places-in-plain-language-using-gemini-ai/)

1. [https://the-decoder.com/chatgpt-still-leads-the-chatbot-market-but-its-dominance-is-slipping-as-googles-gemini-gains-ground/](https://the-decoder.com/chatgpt-still-leads-the-chatbot-market-but-its-dominance-is-slipping-as-googles-gemini-gains-ground/)

[ChatGPT still leads the chatbot market but its dominance is slipping as Google's Gemini gains ground](https://the-decoder.com/chatgpt-still-leads-the-chatbot-market-but-its-dominance-is-slipping-as-googles-gemini-gains-ground/)

1. [https://the-decoder.com/us-military-chief-says-anthropics-ai-models-pollute-the-supply-chain-with-built-in-ethics/](https://the-decoder.com/us-military-chief-says-anthropics-ai-models-pollute-the-supply-chain-with-built-in-ethics/)

[US War Department CTO says Anthropic's AI models "pollute" the supply chain with built-in ethics](https://the-decoder.com/us-military-chief-says-anthropics-ai-models-pollute-the-supply-chain-with-built-in-ethics/)

For the site tree, see the [root Markdown](https://slashpage.com/ixtj-dev.md).