How Microsoft Copilot ties Windows, Office, Azure AI and the OpenAI deal into one bet, and whether enterprises will pay enough to justify it.

Google Gemini now answers billions of queries, but those AI answers threaten the search-ads engine that funds Alphabet. Here's the real tension.

How OpenAI scaled ChatGPT to 800M weekly users, built an API business, and reshaped its Microsoft deal, plus the commercial pressures ahead.

How AWS Bedrock powers Amazon's model-agnostic cloud, its $8B Anthropic bet, and the fight with Microsoft and Google for enterprise AI.

Why Meta Llama models are free to download, what open-weight really means, and how the open-vs-closed fight is reshaping the AI market.