{"data":{"slug":"aws-trainium2","etype":"chip","name":"AWS Trainium2","cat":"AI Accelerator","subtitle":"The chip under Project Rainier — Anthropic's half-million-chip training fleet.","summary":"Trainium2 is AWS's frontier-scale training part: 96 GB of HBM3 per chip, 1.3 dense FP8 PFLOPS, and 64-chip 'UltraServers' wired with NeuronLink. Its defining deployment is Project Rainier — the multi-site cluster AWS built with and for Anthropic, described at launch as approaching 500,000 chips and reported to be expanding toward a million by end of 2025. It is the largest non-NVIDIA AI build-out publicly known.","attrs":[{"g":"Overview","l":"Designer","v":"AWS (Annapurna Labs)"},{"g":"Overview","l":"GA","v":"December 2024"},{"g":"Overview","l":"Status","v":"Shipping"},{"b":"Vendor spec","g":"Memory","l":"Memory","v":"96 GB HBM3"},{"b":"Vendor spec","g":"Memory","l":"Memory bandwidth","u":"TB/s","v":"2.9"},{"b":"Vendor spec","g":"Compute","l":"FP8 (dense)","u":"PFLOPS","v":"1.3"},{"b":"Vendor spec","g":"Compute","l":"Sparse FP8","v":"5.2 PFLOPS (16:4 sparsity)"},{"b":"Vendor spec","g":"Physical","l":"UltraServer","v":"64 chips, 83.2 FP8 PFLOPS dense, 6 TB HBM"},{"b":"Vendor spec","g":"Physical","l":"Interconnect","v":"NeuronLink; EFA scale-out networking"}],"kf":{"year":2024,"class":"AI Accelerator","mem_bw":2.9,"memory":"96 GB HBM3","designer":"AWS Annapurna"},"aliases":["Trainium2","Trn2","T2"],"ticker":null,"exchange":null,"hq":null,"founded":null,"website":null,"status":"Shipping","region":null,"asof":"2026-01-15","sources":[{"url":"https://press.aboutamazon.com/2024/12/aws-trainium2-instances-now-generally-available","label":"AWS Trainium2 GA announcement"}]},"meta":{"found":true,"count":1,"served_from":"site cache (no live upstream calls)","as_of":"2026-10-14T04:42:18+00:00","disclaimer":"Research and information only — not investment advice. Structured records carry basis labels (vendor spec / reported / estimate); market quotes are delayed/indicative.","attribution":"Records compiled from vendor documentation, official filings and reputable public reporting; market quotes via financial data providers. See /data-sources."}}