Science, Discovery, Tech and Environment · 28 January 2026

Microsoft unveils second-generation Maia 200 AI chip to challenge Nvidia

Exam-focused facts from the 28 January 2026 current affairs briefing.

Key facts

  • Microsoft rolled out the Maia 200, its second-generation in-house AI chip, online this week in a data center in Iowa with a second site planned in Arizona.
  • The Maia 200 is manufactured by Taiwan Semiconductor Manufacturing Co (TSMC) using 3-nanometer technology and incorporates high-bandwidth memory and substantial SRAM for AI workloads.
  • Microsoft will provide software tools including Triton—an open-source contribution from OpenAI—to program the Maia 200, directly competing with Nvidia’s CUDA platform.
  • Google, Amazon Web Services (AWS) and other major cloud providers are also developing proprietary chips that increasingly compete with Nvidia’s offerings.