AI InfraConfidence BUnited Statesactive

Braintrust

Evaluation, observability, and prompt tooling for production AI applications.

Official websitebraintrust.dev

RegionSan Francisco, United States

CategoryAI Infra

Funding statusSeries B · Undisclosed

Last updatedJun 9, 2026

Latest signalJun 9, 2026

Website Submit correction

Status timeline

Funding, product, customer, team, and correction signals

Fact record

Mar 13, 2026Confidence A

Funding0 evidence links

Braintrust capital or status signal reviewed

Braintrust public source reviewed for capital or strategic-status timeline signal.

No source evidence matched to this event.

Mar 13, 2026Confidence A

Product0 evidence links

Braintrust product scope reviewed

Braintrust public product source reviewed for category placement and current operating focus.

No source evidence matched to this event.

Funding timeline

Amounts are shown only when disclosed and tied to evidence.

Fact record

Mar 13, 2026

Series B

AmountUndisclosed

InvestorsAndreessen Horowitz, Greylock

EvidenceConfidence A

No source evidence matched to this round.

Source evidence

Public links, short factual summaries, and trust levels

Fact record

Braintrust capital or status signal

Braintrust · official

Confidence A

Braintrust public capital or strategic-status source reviewed for stage and timeline signal.

Trust APublic review

Open source

Braintrust official product profile

Braintrust official site · official

Confidence A

Braintrust official source reviewed for product scope, operating focus, and category placement.

Trust APublic review

Open source

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