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Pydantic

AI · London, United Kingdom · Founded 2022

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Pydantic is a company that provides data validation and parsing library for Python. The company's main product is an open-source library that simplifies data validation, serialization, and parsing for developers. This library is widely used in the Python community, particularly with the FastAPI framework, to ensure data integrity and consistency.

Pydantic's business model appears to be evolving from a purely open-source project to a company offering commercial services. They are developing "Pydantic Dashboards," a service that will allow users to build user interfaces powered by Pydantic models. This suggests a move towards a "freemium" or "open-core" model, where the core library remains free while value-added services are offered for a fee. The company is also expanding into the AI space with PydanticAI, a library that helps developers work with Large Language Models (LLMs) by providing structured data validation for AI-generated content.

The company's target market includes Python developers, data scientists, and software engineers who need to work with complex data structures and ensure data quality. By providing robust tools for data validation and management, Pydantic helps developers build more reliable and maintainable applications.

Keywords: data validation, Python, data parsing, serialization, FastAPI, PydanticAI, LLM, data models, type hints, open-source

Company overview

Pydantic company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2022
Headquarters
London, United Kingdom
Employees
37
Open positions
12
Dealroom signal
87.7
client focusb2btechnologyArtificial Intelligencebusiness modelSaaSsectorOpen SourcesectorCore AIsectorGenerative AIsectorgenAI Computing Layersectoruk is8 digital and technologiesindustryEnterprise Software

Valuation & funding

Pydantic funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES AEquity / VC Oct 2024 $13M $50M Sequoia · Partech · Irregular Expressions
SEEDEquity / VC Feb 2023 $4.7M $19M Irregular Expressions · Sequoia · Partech
Showing 2 recorded eventsUnlock the complete deal history →

Financials

Workforce over time

Available workforce history. Financial fields without reported data are omitted.

YearEmployees
2026 37
2025 29
2024 17
2023 13
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

Pydantic website traffic

Latest recorded traffic for Pydantic is 540K monthly website visits, up 0% over the last three months. Pydantic's team grew 27.6% over the past year.

Latest monthly visits540K 3-month web change0% 1-year team growth+27.6%
Monthly website visits42 observations · Feb 2023–Jul 2026
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Comparisons

Pydantic compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

Pydantic's talent

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Team profiled 11 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

5 investors on Pydantic's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 3 investors entered at this stage
Sequoia
Irregular Expressions
Partech
Other known 2 additional known investors
Sahir Azam
Zero Prime Ventures

Global footprint

Where Pydantic has talent and traffic

Workforce by country
14 countries with
team presence
🇺🇸 United States38.7%
🇬🇧 United Kingdom12.9%
🇲🇽 Mexico6.5%
🇩🇪 Germany6.5%
🇳🇱 Netherlands6.5%
Top 5 of 14 shown

In the news

Latest news about Pydantic

Recent press, funding announcements, and product moves mentioning Pydantic — open to read from the original sources.

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Market sentiment

What the market is saying about Pydantic

An AI-synthesized read of the highest-engagement posts about Pydantic on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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