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About lab358
lab358 is an AI research company that turned a new architecture into a product you can deploy — long-context infrastructure that indexes documents once and reuses them, inside your own cloud.
Standard stacks re-read every document on every call and cap how much context they can hold. We don't change the model to fix that — we change how it is served. A document is indexed once and retrieved on demand instead of being re-read into a fixed prompt window, so the context stops being something you pay for again on every request and stops being bounded by what fits on one device. The model itself is the open-weight checkpoint you already trust, running as its authors published it.
We chose to serve the open-weight models teams already trust — unchanged — rather than hand you a model only we can account for, or chase a from-scratch frontier model. It keeps the thing you evaluate and the thing you run the same artifact, and it means a new checkpoint is something we can support rather than something we have to rebuild. We ship the result two ways, so you pick where it runs. Run it managed on lab358 Cloud, a hosted, usage-based workspace where we operate the infrastructure and you're serving in minutes. Or self-host it: the same stack as an AWS Marketplace container product that deploys into your own Amazon EKS cluster, where everything runs inside your account — your prompts, documents, and outputs never reach us — and billing flows through the invoice your finance team already pays. Same product; your call on the trade-off between speed and control.
Why 358
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Three consecutive numbers in the Fibonacci sequence — a pattern of natural, efficient growth. It's the quiet metaphor for a company built to scale context without scaling cost in lockstep. “lab” signals the research rigor behind the architecture.
Built where deep tech and research talent run deep.
A small, technical team — credibility from mechanism, not headcount.
lab358 is a public benefit corporation, with durable, efficient long-context AI infrastructure as our mission.