Comparison

Google Agent Development Kit vs Pydantic AI

No leader: the top candidate Google Agent Development Kit has only 0.29 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Google Agent Development Kit full profile →Pydantic AI full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

Google Agent Development Kit74

Pydantic AI68

Attribute comparison across 2 tools
Attribute	Google Agent Development Kit	Pydantic AI
Vioscale score	74 / 100low · 29%updating	68 / 100medium · 69%updating
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	free	mid
Starting pricepricing.starting_price	-	$49
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	42	7
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	-	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40pydantic%2Fmcp-run-python&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	-	0
Github starsadoption.github_stars	185	19,517
Package downloads weeklyadoption.package_downloads_weekly	-	3,171,945
Activity
Commits last 30dactivity.commits_last_30d	85	100
Release
Cadence daysrelease.cadence_days	13	1
Historyrelease.history	9 items	20 items
License
Spdxlicense.spdx	Apache-2.0	MIT
Language
Primarylanguage.primary	Kotlin	Python
Market
Availabilitymarket.availability	Available worldwide · HQ US	Available worldwide

Score

Vioscale score

Google Agent Development Kit74 / 100low · 29%updating

Pydantic AI68 / 100medium · 69%updating

Pricing

Free tier

Google Agent Development Kit✓

Pydantic AI✓

Model

Google Agent Development Kitcommercial

Pydantic AIcommercial

Price level

Google Agent Development Kitfree

Pydantic AImid

Starting price

Google Agent Development Kit–

Pydantic AI$49

Transparent

Google Agent Development Kit✓

Pydantic AI✓

Integrations

Count

Google Agent Development Kit42

Pydantic AI7

Security

Disclosure policy

Google Agent Development Kit–

Pydantic AI✓

Gdpr

Google Agent Development Kit–

Pydantic AI✓

Hipaa

Google Agent Development Kit–

Pydantic AI✓

Soc2

Google Agent Development Kit–

Pydantic AI✓

Vulnerabilities

Google Agent Development Kit–

Pydantic AICount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40pydantic%2Fmcp-run-python&per_page=100 · Last 12m: 0

Adoption

Dependent repos

Google Agent Development Kit–

Pydantic AI0

Github stars

Google Agent Development Kit185

Pydantic AI19,517

Package downloads weekly

Google Agent Development Kit–

Pydantic AI3,171,945

Activity

Commits last 30d

Google Agent Development Kit85

Pydantic AI100

Release

Cadence days

Google Agent Development Kit13

Pydantic AI1

History

Google Agent Development Kit9 items

Pydantic AI20 items

License

Spdx

Google Agent Development KitApache-2.0

Pydantic AIMIT

Language

Primary

Google Agent Development KitKotlin

Pydantic AIPython

Market

Availability

Google Agent Development KitAvailable worldwide · HQ US

Pydantic AIAvailable worldwide

Capabilities

Feature-by-feature on the axes that matter for multi agent orchestration. “-” means undocumented, not absent.

Capability comparison for Multi Agent Orchestration
Capability	Google Agent Development Kit	Pydantic AI
Capabilities
Architecture paradigm	Graph based cycles	-
Native memory and state persistence layer	✓	-
Dynamic agent generation and spawning at runtime	✓	✓
Synchronous and asynchronous execution modes	✓	✓
Tool calling and function schema validation	✓	✓
Streaming output and intermediate step yielding	✓	✓
Fault tolerance and LLM retry mechanisms	✓	✓
Managed cloud runtime infrastructure offered	✓	✓
Native observability and trace logging	✓	✓
SOC2 type ii	✗	✓
Mit or apache permissive oss license	✓	✓
Pricing model	Free open source	-

Capabilities

Architecture paradigm

Google Agent Development KitGraph based cycles

Pydantic AI-

Native memory and state persistence layer

Google Agent Development Kit✓

Pydantic AI-

Dynamic agent generation and spawning at runtime

Google Agent Development Kit✓

Pydantic AI✓

Synchronous and asynchronous execution modes

Google Agent Development Kit✓

Pydantic AI✓

Tool calling and function schema validation

Google Agent Development Kit✓

Pydantic AI✓

Streaming output and intermediate step yielding

Google Agent Development Kit✓

Pydantic AI✓

Fault tolerance and LLM retry mechanisms

Google Agent Development Kit✓

Pydantic AI✓

Managed cloud runtime infrastructure offered

Google Agent Development Kit✓

Pydantic AI✓

Native observability and trace logging

Google Agent Development Kit✓

Pydantic AI✓

SOC2 type ii

Google Agent Development Kit✗

Pydantic AI✓

Mit or apache permissive oss license

Google Agent Development Kit✓

Pydantic AI✓

Pricing model

Google Agent Development KitFree open source

Pydantic AI-

What each one is

The product in its own terms, so the numbers below have context.

Google Agent Development Kit

A multi-language agent development framework that enables developers to create production-grade AI agents with built-in tools for orchestration, memory management, code execution, and deployment to cloud or self-hosted infrastructure.

Independently observed

Pydantic AI

A comprehensive toolkit combining an open-source Python agent development framework with a managed observability platform designed specifically for AI applications, including monitoring, evaluation, and LLM gateway capabilities.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Google Agent Development Kit

Open sourceFree tier

Free and open-source under Apache 2.0 license

as of 2026-08-21verify ↗

Pydantic AI

from $49/moHybridFree tier

Free tier (10M spans/month) or paid plans starting at $49/month with usage-based overage at $2 per million spans

PersonalFree
- 10M spans per month included
- Hard cap to prevent bill shock
Team$49/month base + $2.00 per million spans overage
- Base subscription included
- Overage billing at flat rate per span
Growth$249/month base + $2.00 per million spans overage
- No seat limits
- Overage billing at flat rate per span
- Unrestricted team access

as of 2026-08-21verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Google Agent Development Kit	Pydantic AI
WebPlatforms	✓	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓

Platforms

Web

Google Agent Development Kit✓

Pydantic AI✓

CLI

Google Agent Development Kit✓

Pydantic AI✓

Deployment

Cloud / SaaS

Google Agent Development Kit✓

Pydantic AI✓

Self-hosted

Google Agent Development Kit✓

Pydantic AI✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (2)

OpenTelemetry
Hugging Face

Google Agent Development Kit

43 total - 41 not shared

Google Search
Google Maps
Vertex AI Search
Anthropic
Google Ads
Meta
LinkedIn
TikTok
Aerospike
Firebase
Firestore
GitHub
Google Workspace
Google Calendar
Salesforce
Slack
Figma
Linear
Notion
MongoDB
Milvus
Grafana Cloud
Langfuse
LangSmith
+17 more

Independently observed

Pydantic AI

10 total - 8 not shared

Pydantic AI
Pydantic Evals
Model Context Protocol (MCP)
Snowflake
FastAPI
OpenAI
LangChain
Prefect

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.