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Notes from
the work.

Products, engineering and things we learn while building. Articles from the lab, with their original publication dates.

GPT-5.50.791
Claude Opus 4.80.778
Gemini 3.1 Pro0.777
Claude Sonnet 50.773

Claude Sonnet 5: how close to Opus, and at what cost?

Anthropic says Sonnet 5 gives near-Opus quality at a lower price. We ran it through our own 87-task model lab to see what that is really worth.

1 July 2026Engineering
boostaKnow whoto call next.Business discoveryFind the right fit.↗Decision-makersKnow who is behind it.↗Prospect researchContext before contact.↗

Introducing Boosta

Boosta brings Australian business discovery, customer matching and prospect research into one workflow.

16 December 2025Product
PropertyPrice.net product identity

Property price guides and sold prices

A look at propertyprice.net, a tool we built to make Australian property price guides and sold prices easier to find.

26 September 2025Product
Alex BerrimanJack Willis-Craig

Introducing Banja Labs

Alex Berriman and Jack Willis-Craig on building Banja Labs: product strategy, design and engineering in one team.

17 January 2025Company

See what the thinking leads to.

Explore client work and products from the lab.

Selected work

Product thinking,
design and engineering

An independent product lab, building in Australia.

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