The AI Infrastructure Stack
Overview  /  Tier IV — Compute Hardware  /  Layer 08: Accelerators — GPUs & ASICs
Sub-category 8.5

Training Accelerator Startups

Whole-system challengers to Nvidia at training scale. Mostly wafer-scale or multi-chip.

Players

Players: Cerebras (WSE) Private, Tenstorrent (Wormhole/Blackhole) Private, Graphcore SoftBank, Lightmatter (photonic training) Private

Analysis coming soon — this page is scaffolding for deeper research into training accelerator startups.