Draft:Braintrust Data

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Braintrust Data Inc.
Company type
Private
IndustrySoftware
GenreSoftware as a service for large language model application development
Founded2023; 3 years ago (2023) in San Francisco
Founder
  • Ankur Goyal
HeadquartersSan Francisco, U.S.
Area served
Worldwide
ProductsBraintrust
Websitebraintrust.dev

Braintrust Data Inc. is an artificial intelligence eval and observability platform.[1][2][3] It allows engineering and product teams to conduct evals on their AI products.[4]

History

Braintrust was founded by Ankur Goyal in August 2023.[2][3] Goyal had previously founded the AI company Impira, which was acquired by Figma in 2022[2], and served as Head of ML Platform at Figma.[3] Braintrust was initially incubated by angel investor Elad Gil.[2] The company is headquartered in San Francisco, with offices in New York and Seattle.

Funding

In December 2023, Braintrust raised $5.1 million in a seed funding round led by Greylock Partners.[3] Angel investors included Greg Brockman of OpenAI, Adam D'Angelo of Quora, and Clem Delangue of Hugging Face.[2]

In October 2024, Braintrust raised $36 million in a Series A funding round led by Andreessen Horowitz, which valued the company at $150 million.[5] Existing investors Greylock and Elad Gil participated in the round, along with Datadog, Databricks Ventures, Guillermo Rauch (Vercel), Simon Last (Notion), Bryan Helmig (Zapier), and Arthur Mensch (Mistral AI). This brought the company's total funding to $45 million.[1]

In February 2026, Braintrust raised a $80 million Series B funding round led by ICONIQ Capital, with participation from existing investors including Andreessen Horowitz and Greylock. [6]

Technology

Braintrust has built a novel database architecture to manage the scale and complexity of AI data, called Brainstore.[7]

References

  1. ^ a b Konrad, Alex. "AI Evaluations Startup Braintrust Valued At $150 Million In A16Z Raise". Forbes.
  2. ^ a b c d e Loizos, Connie (September 28, 2023). "The hot new thing: AI platforms that stop AI's mistakes before production".
  3. ^ a b c d https://venturebeat.com/ai/braintrust-data-wants-to-make-enterprise-ai-better-with-faster-evaluations
  4. ^ Gupta, Aakash (April 30, 2026). "Evals are the new PRD. Here is the playbook with the CEO of the leader in the space (Ankur Goyal, Founder and CEO, Braintrust)". www.news.aakashg.com.
  5. ^ https://aimmediahouse.com/generative-ai/how-braintrust-secured-36m-to-solve-ais-biggest-problem-that-no-one-talks-about
  6. ^ "AI observability startup Braintrust raises $80 million". 17 February 2026.
  7. ^ [blog](https://www.braintrust.dev/blog/brainstore-architecture)

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