Microsoft is moving Copilot Cowork to usage-based pricing as it expands access to the enterprise AI tool — and is considering a Microsoft-hosted version of DeepSeek as a cheaper model option.Why it matters: Microsoft's move to add a model from a Chinese AI company could draw criticism. The big picture: Agentic tools like Copilot Cowork, Anthropic's Claude Code and OpenAI's Codex can keep calling AI models as they work through tasks — boosting productivity but also creating bonkers AI bills.Drivi...