DeepSeek spent early 2025 proving that a good AI model did not have to cost a fortune. This week it has been busy proving it can spend one. In a handful of days, the Chinese lab reopened a multi-billion-dollar fundraising. It took a stake in the country’s best-known robot maker. And it told customers it would charge them more. An $8bn round, reopened DeepSeek has restarted its second funding round, seeking close to $8bn, Bloomberg reported. The raise values the Hangzhou startup at about 500 billion yuan, or $74bn. Monolith Management, an early backer of the Chinese AI champion Moonshot,…