PydanticAI
by Pydantic
At a glance
Typed Python AI SDK with validated outputs, tools and interchangeable model providers.
framework developer-tools
- Licence
- Not recorded
- Category
- Platforms & Infrastructure
- Business model
- Open (open weights/source)
- Availability
- Not recorded
- Launched
- Not recorded
Overview
Typical uses include Development of tool-using agents; Construction of retrieval-augmented applications. Documented capabilities: Typed agent outputs validated with Pydantic; Dependency injection and tool integration; Model-provider switching and fallback support.
Compare this tool Suggest a correction
Key features
- Typed agent outputs validated with Pydantic
- Dependency injection and tool integration
- Model-provider switching and fallback support
Use cases
- Development of tool-using agents
- Construction of retrieval-augmented applications
Pricing
The open-source software can be run on your own infrastructure. Compute, storage and any external model API usage are separate costs; a managed service is not included.
Record details
Provenance, dates and links are kept here so the main sections stay about the product itself.
Links, dates and provenance
- Record updated
- 2026-11-03
- Documentation
- github.com ↗
Selection profile
Every field says where its value comes from. "Unknown" means we have not confirmed it — it does not mean the product lacks the feature.
Selection profile11 fields8 unknown
- Tasks it fits
- Automation agents
Editorial classification of the documented features; not a product-performance test.
Suggest a correction - How you use it
- Library
Editorial classification of the documented features; not a product-performance test.
Suggest a correction - Runs on
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Where it runs
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Works offline
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Official service region
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Public API
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Licence
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Commercial use
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Interface languages
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Billing
- Open source Free allowance: Yes Subscription required: No
Prices are the vendor’s advertised entry price and exclude taxes; always confirm on the vendor’s own page.
Suggest a correction
Where each value comes from
- Tasks it fits
- Our inference
- How you use it
- Our inference
- Runs on
- Unknown
- Where it runs
- Unknown
- Works offline
- Unknown
- Official service region
- Unknown
- Public API
- Unknown
- Licence
- Unknown
- Commercial use
- Unknown
- Interface languages
- Unknown
Key facts and their evidence
Each fact lists the conditions it holds under, the page it was read from and the day it was checked.
-
Capability: Typed agent outputs validated with Pydantic Verified 2026-11-03 github.com ↗
Suggest a correction
Frequently asked questions
Where does PydanticAI fit in a workflow?
Typed Python AI SDK with validated outputs, tools and interchangeable model providers. Typed agent outputs validated with Pydantic.
What costs and limits should I compare before choosing PydanticAI?
The open-source software can be run on your own infrastructure. Compute, storage and any external model API usage are separate costs; a managed service is not included.
Similar products
- Agenta — Team workspace for creating AI coworkers and scheduled or event-triggered automations through chat.
- Agno — Agent SDK and AgentOS runtime for combining agents into durable services, teams and workflows.
- DSPy — Python framework that expresses language-model tasks as modules and optimizes them against metrics.
- Haystack — Python orchestration framework for composable agents, RAG pipelines and multimodal search.
- LangChain — Open-source framework for building LLM applications and agents, with LangSmith and LangGraph for observability and orchestration.
- LlamaIndex — Open-source data framework for connecting LLMs to private data, powering retrieval-augmented generation and document agents.
All PydanticAI alternatives → · All Platforms & Infrastructure products →
Sources
This record was last reviewed on 2026-11-03.
Machine-readable record: /api/products/pydantic-ai.json · Spot an error? Suggest a correction