Home/Compare/adk-python vs pydantic-ai

Comparison

adk-python vs pydantic-ai

Verdict

Pick adk-python if adk-python provides tools for developing sophisticated AI agents with a focus on flexibility and control, particularly suited for multi-agent systems; pick pydantic-ai if pydantic AI is a Python framework for developing production-grade applications with Generative AI using the robust validation offered by Pydantic.

Markdown twin · adk-python alternatives · pydantic-ai alternatives

GraphCanon updated today

adk-python logo

adk-python

google/adk-python

21kpushed Aug 18, 2026
vs
pydantic-ai logo

pydantic-ai

pydantic/pydantic-ai

19kpushed Aug 1, 2026

Trust & integrity

Signaladk-pythonpydantic-ai
Maintenance
Very active (0d since push)
As of today · github_public_v1
Very active (0d since push)
As of 2w · github_public_v1
Provenance
Not a fork · Organization account
As of today · github_public_v1
Not a fork · Organization account
As of 2w · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of 1mo · osv@v1
No lockfile (source not queried)
As of 1mo · osv@v1
deps.dev advisories
Not queried
deps.dev@v1
Not queried
deps.dev@v1
OpenSSF Scorecard
Not queried
openssf-scorecard@v1
Not queried
openssf-scorecard@v1

Tagline

adk-python
A Python toolkit for building, evaluating, and deploying AI agents
pydantic-ai
GenAI Agent Framework, the Pydantic way

Stars

adk-python
21k
pydantic-ai
19k

Forks

adk-python
3.9k
pydantic-ai
2.5k

Open issues

adk-python
566
pydantic-ai
605

Language

adk-python
Python
pydantic-ai
Python

Adopt for

adk-python
adk-python provides tools for developing sophisticated AI agents with a focus on flexibility and control, particularly suited for multi-agent systems.
pydantic-ai
Pydantic AI is a Python framework for developing production-grade applications with Generative AI using the robust validation offered by Pydantic.

Persona

adk-python
-
pydantic-ai
-

Runtime

adk-python
-
pydantic-ai
-

License

adk-python
adk-python is available under the Apache-2.0 license, allowing both commercial and non-commercial use with appropriate attribution.
pydantic-ai
MIT

Last pushed

adk-python
Aug 18, 2026
pydantic-ai
Aug 1, 2026

Categories

adk-python
AI Agents
pydantic-ai
AI Agents

Trust and health

Open issues (now)

adk-python
566
pydantic-ai
605

Stars delta

adk-python
+522 (30d)
pydantic-ai
Unknown

Open issues delta

adk-python
-76 (30d)
pydantic-ai
Unknown

Full report

adk-python
Trust report
pydantic-ai
Trust report

Choose adk-python if…

  • License: adk-python is Apache-2.0, pydantic-ai is MIT.
  • Requirements: Requires Python 3.10+ for installation..
  • Tags unique to adk-python: agent, agentic, ai-agents, multi-agent-systems.
  • You are working on multi-agent systems where multiple AI agents need to collaborate or interact effectively. adk-python offers specific support for defining and orchestrating multi-agent workflows.

When NOT to use adk-python

  • If your project does not involve multi-agent interactions or complex orchestration of multiple agents, other frameworks might offer more streamlined solutions.
  • You prefer using out-of-the-box solutions with less coding complexity. adk-python's code-first approach is best suited for developers looking to deeply customize agent behavior and interactions.

Choose pydantic-ai if…

  • License: pydantic-ai is MIT, adk-python is Apache-2.0.
  • Tags unique to pydantic-ai: agent-framework, genai, llm, pydantic.
  • Use Pydantic AI when you are looking to build GenAI apps and agents in Python, especially if your team has expertise or a preference for Pydantic, as it is built directly by the Pydantic development团队

When NOT to use pydantic-ai

  • Pydantic,Pydantic AI,Pydantic。
  • ,,Pydantic AI。

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: adk-python 21k · pydantic-ai 19k (synced Aug 19, 2026).

Common questions

What is the difference between adk-python and pydantic-ai?
adk-python: A Python toolkit for building, evaluating, and deploying AI agents. pydantic-ai: GenAI Agent Framework, the Pydantic way. See the comparison table for live GitHub stats and shared categories.
When should I choose adk-python over pydantic-ai?
Choose adk-python over pydantic-ai when License: adk-python is Apache-2.0, pydantic-ai is MIT; Requirements: Requires Python 3.10+ for installation.; Tags unique to adk-python: agent, agentic, ai-agents, multi-agent-systems; You are working on multi-agent systems where multiple AI agents need to collaborate or interact effectively. adk-python offers specific support for defining and orchestrating multi-agent workflows.
When should I choose pydantic-ai over adk-python?
Choose pydantic-ai over adk-python when License: pydantic-ai is MIT, adk-python is Apache-2.0; Tags unique to pydantic-ai: agent-framework, genai, llm, pydantic; Use Pydantic AI when you are looking to build GenAI apps and agents in Python, especially if your team has expertise or a preference for Pydantic, as it is built directly by the Pydantic development团队.
When should I avoid adk-python?
If your project does not involve multi-agent interactions or complex orchestration of multiple agents, other frameworks might offer more streamlined solutions. You prefer using out-of-the-box solutions with less coding complexity. adk-python's code-first approach is best suited for developers looking to deeply customize agent behavior and interactions.
When should I avoid pydantic-ai?
Pydantic,Pydantic AI,Pydantic。 ,,Pydantic AI。
Is adk-python or pydantic-ai more popular on GitHub?
adk-python has more GitHub stars (21,180 vs 18,936). Stars measure visibility, not whether either tool fits your constraints.
Are adk-python and pydantic-ai open source?
Yes - both are open-source projects on GitHub (adk-python: Apache-2.0, pydantic-ai: MIT).
Where can I find alternatives to adk-python or pydantic-ai?
GraphCanon lists graph-backed alternatives at adk-python alternatives and pydantic-ai alternatives (adk-python markdown twin, pydantic-ai markdown twin), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, adk-python or pydantic-ai?
adk-python: Very active. pydantic-ai: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
Where are the full trust reports for adk-python and pydantic-ai?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: adk-python trust report; pydantic-ai trust report.

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