Email list of companies using Braintrust AI
Reach AI engineering and product leaders using Braintrust to evaluate prompts, log production traces and improve AI products.
Free Braintrust AI count + 10 sample records
3,006+ companies · 13,525+ contacts available
- ✓Exact count for your titles, regions and company size
- ✓10 verified sample records to check quality
- ✓Price quote within 1 business day
Trusted by B2B and enterprise revenue teams
How many companies use Braintrust AI?
Data InfoMetrix tracks 3,006+ companies running Braintrust AI as of October 2026, with 13,525+ verified contacts at those accounts. The largest groups are AI-Native SaaS, Developer Tools and Fintech. Buying decisions usually sit with the CTO, Founder / CEO and VP of Engineering. Counts are estimates built from technology footprint scans, job-post signals and partner directories, checked by our research team. How we count
Organizations detected running Braintrust AI.
Direct emails and phone dials for decision-makers.
Full buying committee mapped.
SMTP-verified, with 1:1 replacement of any email that hard bounces within 30 days.
| Technology category | AI Infrastructure & LLM Ops |
|---|---|
| Tracked organizations | 3,006+ verified accounts worldwide |
| Decision-maker contacts | 13,525+ records with emails, mobile and direct dials |
| Key roles | Head of AI Engineering, AI Product Lead, CTO, platform administrators, IT directors, procurement |
| Geography | 180+ countries · country-by-country counts on request |
| Verification | DNS and script telemetry, 5-stage SMTP handshake, manual research |
| Refresh cadence | Continuous, 30–45 day maximum record age at delivery |
| Compliance | GDPR, CAN-SPAM, CCPA and CASL |
| Delivery | 24–48 hours as CSV, XLSX or CRM API |
Researched by the Data InfoMetrix research team. Counts updated October 2026.
How we count and verify dataSee 10 records first
Matched to your ICP filters, free.
Size your Braintrust AI audience
Pick a region, company size and buying role to estimate how many accounts and contacts you can reach.
Estimates from our current Braintrust AI dataset. Exact counts come with your quote.
Reach the whole buying committee
A Braintrust AI account is not one contact. We map the people who evaluate, buy, run and use it across LLM Evaluation & AI Product Quality.
These are examples. We build records for any department, seniority or custom title.
See exactly what you get
Every record carries 60+ fields, from verified email, direct dial and LinkedIn to full postal address, Braintrust AI edition, coexisting stack and intent.
We deliver 60+ data fields per record, including intent data. The sample shows a selection only. Tell us which fields you need, including any that aren't listed here, and we'll add them to your list.
How we prove an account runs Braintrust AI
No scraped résumés or stale directories. Three layers confirm a live installation before a contact reaches your list. Read our verification protocol
Live DNS & script signals
We inspect response headers, DNS MX and CNAME records and live JavaScript bundles to confirm a running Braintrust AI instance.
DNS · CNAME · MX recordsHTTP headers · JS bundles✓ Verified against live infrastructure90-day hiring signals
We track job requisitions that ask for Braintrust AI skills, which shows ongoing budget and headcount.
Pre-delivery SMTP handshake
Each email is tested against the destination mail server, and titles are checked against current company rosters.
Maximum bounce rate, or we replace the contacts. Your sender reputation stays clean.
Every email that hard-bounces within 30 days of delivery is replaced free, record for record.
Live SMTP and MX checks right before we send your file.
Clean CSV or XLSX, ready for one-click import.
What are you trying to do?
Each campaign needs a different data strategy. Pick your goal to see how we build the audience.
Find companies on rival platforms and reach the people evaluating a move to, or away from, Braintrust AI.
Conquesting playbookPitch integrations, add-ons and complementary tools to companies already running Braintrust AI.
Ecosystem playbookBuild account lists around Braintrust AI deployment scale and engage the full committee across departments.
ABM playbookKnow the stack around every account
Braintrust AI rarely runs alone. Every record is tagged with the tools detected alongside it, so you can segment by complementary stacks.
Open the coexistence matrixWhat Braintrust AI customers look like
Anonymised profiles of companies in our Braintrust AI dataset of 3,006+ accounts. Named accounts are shared in your free sample, never on a public page.
| Company size | Industry | Country | Employees | Revenue |
|---|---|---|---|---|
| Enterprise | Developer Tools | Germany | 5,000+ | $1B+ |
| Upper mid-market | Fintech | United States | 1,000–4,999 | $250M–$1B |
| SMB | Customer Support AI | Australia | 50–199 | $10M–$50M |
| Enterprise | AI-Native SaaS | United States | 10,000+ | $5B+ |
| Mid-market | Developer Tools | United States | 500–999 | $100M–$250M |
| Mid-market | Fintech | United Kingdom | 200–999 | $50M–$250M |
| Enterprise | Customer Support AI | United States | 5,000+ | $1B+ |
| Upper mid-market | AI-Native SaaS | Canada | 1,000–4,999 | $250M–$1B |
Plus 170 more countries. Ask for a country-by-country count of Braintrust AI accounts and we'll include it with your free sample.
Build the list your way
Every list is assembled from source to your product tier, job function, geography and revenue band. Nothing is a fixed export.
Filter by what they actually run.
Match revenue, size and industry.
Target any territory.
What Braintrust AI teams are struggling with
Know the friction before you reach out, and position your product where it matters.
Measuring AI quality
Regression after model updates
Production feedback loops
“When you talk to companies who already use Snowflake and AWS about a native integration, the conversion rate skyrockets. Data InfoMetrix gave us the exact user list we needed.”
Braintrust AI list questions, answered
How many companies use Braintrust AI?
Data InfoMetrix tracks 3,006 companies using Braintrust AI, with 13,525 verified contacts at those accounts as of October 2026. The largest groups are AI-Native SaaS, Developer Tools and Fintech. Counts are estimates from our database and market research, so ask us for a live count for your exact criteria.
Who buys and manages Braintrust AI inside a company?
Braintrust AI is usually owned by LLM Evaluation & AI Product Quality. Decision-makers include CTO, Founder / CEO and VP of Engineering; AI Engineering Lead and Staff Engineer shape the choice, and AI Engineers and Product Managers use it day to day. Our Braintrust AI list can include any of these roles.
Which Braintrust AI products or editions can I target?
You can target accounts by the Braintrust AI products they run, including Braintrust Evals, Braintrust Logging & Tracing, Braintrust Playground, Braintrust Datasets and Braintrust Self-Hosted. Tell us which edition or module matters and we filter the list to those accounts.
What other software do Braintrust AI customers use?
Braintrust AI customers commonly also run OpenAI, Anthropic, AWS, Databricks and Snowflake. Braintrust AI is often connected to Vercel AI SDK and LangChain, so users of those tools overlap heavily. We can filter any list by this kind of stack overlap.
What are the main alternatives to Braintrust AI?
The main alternatives to Braintrust AI are LangSmith, Arize Phoenix and Weights & Biases Weave. We also keep verified user lists for LangSmith, which is useful for competitive displacement campaigns.
When are Braintrust AI customers most likely to buy?
Buying triggers we track for Braintrust AI accounts include AI product launch, model upgrade, funding round and AI quality incident. A common pain point is Measuring AI quality: teams ship changes without evals.
Can Data InfoMetrix deliver a free sample Braintrust contact list before ordering?
Yes. Data InfoMetrix delivers a complimentary 10-record sample tailored to your target Braintrust criteria—including target job titles, company size, and region—delivered within one business day with no obligation.
How does Data InfoMetrix guarantee email deliverability for Braintrust contacts?
Data InfoMetrix provides a 99% email deliverability guarantee on all Braintrust datasets. Every contact record undergoes real-time email verification within a 30 to 45-day refresh cycle, backed by a 1:1 hard bounce replacement policy for 30 days after delivery.
Sourcing and compliance. Business contacts come from public company sources, professional directories and opt-in publishing partners, then go through SMTP verification and human review. Lists are for B2B outreach: include an unsubscribe link and honour opt-outs (CAN-SPAM), and have a lawful basis such as legitimate interest when you email people in the EU or UK (GDPR). Read how we source and verify data
Get your Braintrust AI users list
Tell us your titles, regions and company size. We'll send counts, a quote and a free 10-record sample.
Related lists
Alternatives to Braintrust AI, tools its customers also run, and more AI Infrastructure & LLM Ops lists.

