The best free AI courses and certificates for upskilling in 2026 - and I've tried them all

I've worked with AI for decades and have a master's degree in education. Here are the top free AI courses online that I recommend - and why.
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不用 LangGraph / AutoGPT，纯 Python 手搓 AI Agent，真的可行吗?

在真实工程项目中，不使用 LangChain、LangGraph、CrewAI 等框架，纯用 Python + LLM API 手动实现 AI Agent 不仅完全可行，而且在许多场景下是更优选择。 Anthropic 官方明确建议开发者”从直接使用 ...

‘Fresh face’: WiseTech backs scandal-hit Grok Academy with $8.7m

WiseTech Global, Australia’s largest ASX-listed technology company, is pumping $8.7 million over three years into the charity ...