Comparison

Google Agent Development Kit vs Pydantic AI

On the evidence we track, Pydantic AI leads this comparison with a composite score of 66/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Google Agent Development Kit58
★Pydantic AI66
Score
vioscaleAI score
Google Agent Development Kit58 / 100low · 44%
Pydantic AI66 / 100medium · 62%
Pricing
Free tier
Google Agent Development Kit✓
Pydantic AI✓
Model
Google Agent Development Kitopen_source
Pydantic AIfreemium
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 Kit22
Pydantic AI7
Security
Certifications
Google Agent Development Kit–
Pydantic AISOC 2 Type II
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✓
Trust center
Google Agent Development Kit–
Adoption
Dependent repos
Google Agent Development Kit0
Pydantic AI0
Github stars
Google Agent Development Kit265
Pydantic AI20,608
Package downloads weekly
Google Agent Development Kit–
Pydantic AI3,171,945
Activity
Commits last 30d
Google Agent Development Kit100
Pydantic AI100
Release
Cadence days
Google Agent Development Kit12
Pydantic AI1
History
Google Agent Development Kit15 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
Content
Faq
Google Agent Development Kit7 items
Pydantic AI7 items

Capabilities

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

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 AICommercial enterprise platform

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

Leader

An observability and development platform for production AI agent systems that combines tracing, evaluation, and inference gateway capabilities for building reliable LLM applications.

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 verify ↗

Pydantic AI

Leader
from $49/moSubscriptionFree tier

Free tier for 10M spans/month. Paid plans from $49/month with flat-rate overage pricing at $2 per million spans.

  • PersonalFree
    • 10M spans per month
    • Hard cap to prevent bill shock
  • Team$49/month + $2 per million spans
    • Overage billing at flat rate
    • Seat limits apply
  • Growth$249/month + $2 per million spans, unlimited seats
    • No seat limits
    • Overage billing at flat rate
as of verify ↗

Platform & deployment

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

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✓
On-premise
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 (3)
  • OpenTelemetry
  • Hugging Face
  • HuggingFace

Google Agent Development Kit

52 total - 49 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
  • +25 more
Independently observed

Pydantic AI

Leader
10 total - 8 not shared
  • Pydantic AI
  • Pydantic Evals
  • Model Context Protocol (MCP)
  • Snowflake
  • FastAPI
  • OpenAI
  • LangChain
  • Prefect
Independently observed
Still deciding?

Google Agent Development Kit or Pydantic AI: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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