At re:Invent 2025, AWS launches Trainium 3, Nova 2 to challenge Microsoft, Google, OpenAI

In one of its boldest moves in years, Amazon Web Services has thrown down the gauntlet to Microsoft, Google and OpenAI at its flagship re: Invent 2025 summit, signalling that the world’s largest and oldest hyperscaler intends not just to catch up in the AI race — but to leapfrog its rivals.

At the heart of AWS’s pitch is a decisive chip push.

The company launched Trainium 3, its most powerful homegrown AI accelerator yet, designed as a direct response to Google’s TPUs that underpin the benchmark-beating Gemini 3 family. Trainium 3 marks…