Braintrust
PrivateLast Round
Series B
Feb 17, 2026
Est. Valuation
$800M
Total Funding Raised
$127.5M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Braintrust operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Series B round in February 2026.
Braintrust is a software development applications company that provides an AI observability and evaluation platform for building quality AI products.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, NLP & Conversational AI, DevOps & Containers
Business Model
B2B
Customer Profile
Usage-Based SaaS, Subscription SaaS
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Braintrust Comparables
Compare Braintrust with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Galileo | 91% | |
| LangChain | 89% | |
| Arize | 84% |
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Braintrust Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Feb 17, 2026 | ||||
| Series A | Oct 8, 2024 | ||||
| Seed | Dec 13, 2023 | ||||
| Pre Seed | Oct 1, 2023 |
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Key People
Founding team and executive leadership
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Braintrust Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Andreessen Horowitz | Series B, Series A |
| SV Angel | Seed |
| ICONIQ Capital | Series B |
| Greylock Partners | Series A, Series B, Seed |
| ICONIQ Growth | Series B |
| BoxGroup | Seed |
| Base Case Capital | Series A, Series B, Seed |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 1, 2026
Grew 17% QoQ, from 151 to 176 employees.
- Jun 25, 2026
Vercel mentioned as a customer in a job posting.
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Recent news
Latest coverage and updates
- attends_eventOct 10, 2026
Braintrust Data, Inc. is set to co-host Secure Software Factory Show and Tell with Keycard, Socket and Docker DevRel in New York on Oct 13th '26, featuring a panel and planned live demonstrations on securing AI-agent software workflows.
- launchesSep 25, 2026
Braintrust Data, Inc. launches Nitro, an asynchronous query engine that separates storage I/O from compute scheduling and delivers 2x faster full-text searches across production trace data, on Sep 25th '26.
- launchesSep 3, 2026
Braintrust Data, Inc. is adding Debugger to Braintrust on Sep 3rd '26; it explains likely failure modes in complex individual runs.
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Braintrust Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Braintrust's valuation, stock price, and market status.
Is Braintrust a public or private company?
Braintrust is a private company.
What is the current stock price of Braintrust?
Braintrust is a private company, so its shares have no public market price. Caplight tracks Braintrust's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Braintrust worth (valuation)?
Braintrust's valuation is estimated at $800.0M based on funding round data.
Can I buy Braintrust stock?
Braintrust shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Braintrust's last funding round?
Braintrust's most recent funding round was Series B on February 17, 2026.
Who are the main investors in Braintrust?
Key investors in Braintrust include Andreessen Horowitz, ICONIQ Capital, Greylock Partners, ICONIQ Growth.
Will Braintrust IPO soon?
No public IPO plans have been announced for Braintrust.
How can I track Braintrust secondary market activity?
Caplight tracks bids, offers, and trades in Braintrust's shares on secondary markets.