eday.studio

Software,
examined.

We build software and study how it behaves.

Software development · AI evaluation · AI security testing

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From a brief to software and evidenceA conceptual system drawing connects product design, code, evaluation, and findings.
From a brief to software and evidenceA conceptual system drawing connects product design, code, evaluation, and findings.

From a clear brief to useful software: product design, interfaces, and the systems behind them.

Explore the projects

Arbideals

Compare local marketplace listings with sold prices to estimate resale margins.

Vellum

Design print-ready business cards through a conversation.

Choosing a model for listing classification

Four models tested on the same 100 synthetic listings, comparing accuracy, cost, and response time.

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From a useful idea to a system you understand.

Bring a product to build, a model to choose, or an AI application to put to the test.

Software development

Products, interfaces, and integrations built around how your team and customers work.

Working software, ready to use and build on.

AI evaluation

Task-specific test cases and model comparisons that examine accuracy, cost, and where a system fails.

Evidence for choosing and improving your model.

AI security testing

Authorized testing of your AI application for prompt injection, data exposure, and unintended tool actions.

Reproducible findings, practical fixes, and retesting.

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