Microsoft Is Switching Copilot Cowork to Pay-Per-Use, and DeepSeek Might Power the Cheap Tier

Microsoft is moving Copilot Cowork to usage-based pricing and testing a fine-tuned DeepSeek V4 as a cheaper model option. Here's what's confirmed, what's still unproven, and 6 steps to control your AI agent costs.

ChatGPT’s Market Share Just Slipped Below 50% For The First Time

ChatGPT's market share fell below 50% for the first time as Gemini and Claude gain ground. Here's what the Sensor Tower data actually means for your AI choices.

Copilot Just Took Over Word, Excel, and PowerPoint. Here’s What It Can Do Without You

Microsoft made agentic Copilot the default in Word, Excel, and PowerPoint on April 22, 2026. Word usage is up 52%, Excel up 67%. Here is what changed and how to start using it today.

Microsoft Copilot in Excel: 8 Real Things Corporate Workers Can Do Without Knowing a Single Formula

Microsoft Copilot in Excel can clean data, build pivots, write formulas, and classify thousands of rows in plain English. Eight real use cases, no Excel skills needed.

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