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Notes from the people building Lattis.

Pixel Bloom cover image for the article Why we route on quality, not price

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Engineering

7 min

Why we route on quality, not price

Cost-first routing optimises the wrong thing. A quality threshold with cost as the tiebreaker cut our bill 62% anyway.

Maya Lindqvist

CTO at Northwind Labs (guest)

September 30, 2026

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Latest

Research

Compressing traces for agent replays

How we store full step-by-step replays at 3% of the raw trace size.

Agents 2.0: what persistent sandboxes change

State between steps turns agents from scripts into workers.

The eval set is the spec

If your test set is versioned and reviewed, your prompt can change freely.

Lattis raises a Series A

US$24M led by Meridian Ventures to build the operating layer for AI products.

Running 1.2M sandboxes a month at Helio

Cold starts, network policy and the two failure modes we did not expect.

Daniel Okafor

May 28, 2026

9 min

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Engineering

The eval set is the spec

If your test set is versioned and reviewed, your prompt can change freely.

Running 1.2M sandboxes a month at Helio

Cold starts, network policy and the two failure modes we did not expect.

Compressing traces for agent replays

How we store full step-by-step replays at 3% of the raw trace size.

Agents 2.0: what persistent sandboxes change

State between steps turns agents from scripts into workers.

Lattis raises a Series A

US$24M led by Meridian Ventures to build the operating layer for AI products.

Sofia Brandt

June 10, 2026

3 min

Pixel Bloom lattice in peach and cobalt for the Northwind Labs story

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