# How Vercel uses Braintrust

As published on [braintrust.dev](https://www.braintrust.dev/customers/vercel). Captured by usedby on 2026-11-05.

- Company: [Vercel](https://www.usedby.ai/companies/vercel.md)
- Tool: [Braintrust](https://www.usedby.ai/tools/braintrust.md)
- Industry: [DevTools & Infrastructure](https://www.usedby.ai/companies/industry/devtools-infrastructure.md)

## The use case: how Vercel deploys Braintrust

Vercel uses Braintrust as its eval and observability infrastructure to benchmark newly released AI models against existing ones, catch regressions early, and deploy support for new models quickly. The team also uses production traces to spot quality issues customers may not report directly.

Summary written by usedby from the source page, in English. The figures are those of Braintrust and Vercel, not ours.

> Braintrust gives the team a structured way to benchmark new models against existing ones, catch performance differences early, and deploy with confidence.

> Having a robust stack that can tell you whether your change is a good one is just fundamentally required to keep up with the pace of AI.
>
> Malte Ubl, CTO

Source: [braintrust.dev](https://www.braintrust.dev/customers/vercel), captured 2026-11-05.

> We didn't realize we needed deep observability until Braintrust.
>
> Malte Ubl, CTO

Source: [braintrust.dev](https://www.braintrust.dev/customers), captured 2026-10-06.

## Other AI tools used by Vercel

- [AWS Bedrock](https://www.usedby.ai/tools/aws-bedrock.md) — Confirmed
- [Fireworks AI](https://www.usedby.ai/tools/fireworks-ai.md) — Confirmed
- [Notion](https://www.usedby.ai/tools/notion.md) — Confirmed
- [Baseten](https://www.usedby.ai/tools/baseten.md) — Observed
- [BrightHire](https://www.usedby.ai/tools/brighthire.md) — Observed
- [Browserbase](https://www.usedby.ai/tools/browserbase.md) — Observed

## Braintrust users in DevTools & Infrastructure

- [Box](https://www.usedby.ai/companies/box.md) — Confirmed
- [Browserbase](https://www.usedby.ai/companies/browserbase.md) — Confirmed
- [Bubble](https://www.usedby.ai/companies/bubble.md) — Confirmed
- [Dropbox](https://www.usedby.ai/companies/dropbox.md) — Confirmed
- [Graphite](https://www.usedby.ai/companies/graphite.md) — Confirmed
- [Replit](https://www.usedby.ai/companies/replit.md) — Confirmed

## What usedby checked

We compared the story with its live page on 2026-11-05.

- Checked: the passage quoted above is copied word for word from the page, near the name of Vercel.
- Checked: Vercel uses Braintrust. Confirmed line. Latest check across sources: 2026-11-05.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/vercel-braintrust · How we check: https://www.usedby.ai/methodology