Tenstorrent
AI accelerators built on open RISC-V, led by the chip architect behind Apple A4, AMD Zen and Tesla's FSD.
Highlights
- Wormhole and Blackhole training/inference chips on open RISC-V architecture
- Led by Jim Keller — chip designer behind Apple A4/A5, AMD Zen, Tesla FSD, Intel chip strategy
- $700M+ raised at approximately $2B valuation
- Manufactured by Samsung Foundry under multi-year contract
- Investors include Jeff Bezos, Samsung Catalyst, Hyundai, Fidelity, Eclipse Ventures
- Open-source software stack (Metalium, TT-NN, TT-Buda) under Apache license
- Targets enterprises and governments seeking NVIDIA alternatives for sovereign AI compute
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About Tenstorrent
What it is
Tenstorrent builds AI training and inference accelerators — the Wormhole and Blackhole chips — on an open RISC-V architecture, fabricated by Samsung Foundry. It is led by Jim Keller, whose previous work includes Apple's A4 and A5, AMD's Zen and Tesla's self-driving chip. It has raised over $700M at roughly a $2B valuation, and licenses its designs as well as selling hardware.
Why it's different
The distinguishing choice is openness. Nvidia's position rests as much on CUDA as on silicon, and every competitor has to answer the software question; Tenstorrent's answer is an open architecture and an open software stack, which lets customers license designs and build their own rather than buy a closed box. That is genuinely different positioning. It is also the harder road: the software ecosystem around CUDA represents nearly two decades of accumulated tooling, and porting real workloads to anything else remains meaningfully more work than the benchmarks suggest.
How people use it
This is bought by organisations building AI infrastructure at a scale where Nvidia's pricing and allocation are strategic problems, and by companies licensing the IP to put AI silicon in their own products. For most developers it is background rather than a purchase — but credible competition is the main force that changes what inference costs, so it is worth knowing it exists.
Written by the n3os team. We are not affiliated with Tenstorrent.
This listing was written from public information, without Tenstorrent’s involvement. If you own it and something here is wrong — or you would rather not be listed at all — email us and we will correct or remove it.
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