Hot on the heels of our 10K word deep dive on TPUs, Amazon launched Trainium3 (Trn3) general availability and announced Trainium4 (Trn4) at its annual AWS re:Invent. Amazon has had the longest and broadest history of custom silicon in the datacenter. While they were behind in AI for quite some time, they are rapidly progressing to be competitive. Last year we detailed Amazon’s ramp of its Trainium2 (Trn2) accelerators aimed at internal Bedrock workloads and Anthropic’s training/inference needs.S...