# Pydantic AI

Pydantic AI is an open-source agent framework from Pydantic Services Inc., the company behind the Pydantic validation library. It builds type-safe agents, and Pydantic Logfire can trace and evaluate those agents in production. Pydantic AI v2 became stable on 23 June 2026 and added a capability primitive, a slimmer core and a separate Pydantic AI Harness package.

Page: https://slateindex.ai/brand/pydantic-ai · data of 2026-11-03

## Facts

- Headquarters: California, United States
- Employees: 11–50
- Company type: Division of Pydantic Services Inc.
- Latest funding: Series A
- Best for: Teams building type-safe AI agents that they intend to ship to production

## Products

- Pydantic AI: Open-source agent framework for building type-safe agents, with v2 stable since 23 June 2026.
- Pydantic AI Harness: Separate package holding optional batteries: memory, guardrails, context management, file system access and code mode.

## Rankings

| Category | Rank | Visibility | Mentions |
|---|---|---|---|
| AI Agents | 54 of 80 | 1.2 | 2 |

## By engine

| Engine | Visibility | Mention rate |
|---|---|---|
| chatgpt | 0.0 | 0.0% |
| google_ai_mode | 3.7 | 7.4% |
| perplexity | 0.0 | 0.0% |

## Definitions

- Visibility (0–100): how often and how high AI answers name the brand, weighted by position.
- Mention rate: share of collected AI answers that name the brand.
- Share of voice: the brand's mentions as a share of all brand mentions in the category.
- Citation authority: share of answers naming the brand that cite the brand's own site.

Cite as: SlateIndex, “Pydantic AI AI visibility profile”, https://slateindex.ai/brand/pydantic-ai, data of 2026-11-03. Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).