# How Jack & Jill uses TypeSafe AI

**88%**: “with 88% lower cost and roughly 50% faster task completion time”

As published on [typesafe.ai](https://typesafe.ai/blog/jack-jill-jev-case-study). Captured by usedby on 2026-10-27.

- Company: [Jack & Jill](https://www.usedby.ai/companies/jack-jill.md)
- Tool: [TypeSafe AI](https://www.usedby.ai/tools/typesafe-ai.md)

## The use case: how Jack & Jill deploys TypeSafe AI

Jack & Jill, a talent marketplace run by AI agents, replaced Gemini 3.1 Flash Lite with Jev for the candidate scoring stage of its matching pipeline.

Summary written by usedby from the source page, in English. The figures are those of TypeSafe AI and Jack & Jill, not ours.

> Compared to Gemini, Jev maintained the same level of accuracy, with 88% lower cost and roughly 50% faster task completion time.

- **$265K**: “Jack & Jill will save $265K a year”

> We saved ~half a million dollars last week with Jev.
>
> Matthew Wilson, Co-founder/CEO

Source: [typesafe.ai](https://typesafe.ai/blog/jack-jill-jev-case-study), captured 2026-10-27.

## Other companies using TypeSafe AI

- [MotherDuck](https://www.usedby.ai/companies/motherduck.md) — Observed

## What usedby checked

We compared the story with its live page on 2026-10-27.

- Checked: the figure 88% is printed word for word on the page, near the name of Jack & Jill.
- Checked: the passage quoted above is copied word for word from the page, near the name of Jack & Jill.
- Checked: each number in our summary is printed on the page.
- Checked: Jack & Jill uses TypeSafe AI. Confirmed line. Latest check across sources: 2026-10-27.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/jack-jill-typesafe-ai · How we check: https://www.usedby.ai/methodology