PydanticAI

license

MIT(library)

commercial

Pydantic-Logfire

source

public

core features withheld

no — every package in pydantic/pydantic-ai is MIT with no enterprise directory

Every package in pydantic/pydantic-ai is MIT licensed, and a full recursive listing finds no enterprise, ee or commercial directory anywhere in the tree. Logfire, the vendor's paid observability platform, is a separate product sold beside the library rather than a piece cut out of it, so nothing in the agent library itself is withheld.

• https://api.github.com/repos/pydantic/pydantic-ai/git/trees/main?recursive=1 recorded 2026-08-11

  Full untruncated recursive tree, 2,664 entries. Six LICENSE files: root, clai/, examples/, pydantic_ai_slim/, pydantic_evals/, pydantic_graph/. No enterprise/, ee/, commercial/ or proprietary/ path anywhere.

• https://github.com/pydantic/pydantic-ai recorded 2026-06-17

  MIT, ~17.8k stars, Logfire integration

• https://pydantic.dev/pricing recorded 2026-09-29

  The pricing page, headed "Transparent pricing for AI teams", sells Logfire observability tiers plus "Full AI Gateway access (add-on)"; searched the body for "Pydantic AI": it appears only in product navigation, footer and contact-form lists and in "Trace agent runs from prompt through tool calls", never as a priced tier.

• https://raw.githubusercontent.com/pydantic/pydantic-ai/main/LICENSE recorded 2026-09-29

  The root LICENSE file is the MIT text: "The MIT License (MIT)" with "Copyright (c) Pydantic Services Inc. 2024 to present".

• https://raw.githubusercontent.com/pydantic/pydantic-ai/main/pydantic_ai_slim/LICENSE recorded 2026-09-29

  The pydantic_ai_slim package carries its own LICENSE with the same MIT text: "The MIT License (MIT)" and "Copyright (c) Pydantic Services Inc. 2024 to present".

• https://raw.githubusercontent.com/pydantic/pydantic-ai/main/README.md recorded 2026-09-29

  The README presents Logfire and the Gateway as separate products beside the library: "is the AI observability platform that sees your whole app, not just the LLM calls" and "the Gateway self-hosts if you would rather"; also "No flagship feature is locked to one vendor."

Adoption is measured by PyPI downloads of pydantic-ai over the trailing month. Much of that volume is transitive, pulled in as a dependency of other packages and by CI systems rather than reflecting direct developer choice, so the reading is directional.

• https://pypistats.org/api/packages/pydantic-ai/recent recorded 2026-10-07

  5,383,780 downloads in the trailing 30 days for pydantic-ai (pypistats last_month)

PydanticAI is lean and type-safe but offers narrower built-in RAG than LlamaIndex and fewer prebuilt role abstractions than CrewAI. No first-party benchmark exists, so the reading comes from that feature comparison, one tier below LlamaIndex.

• https://github.com/pydantic/pydantic-ai recorded 2026-08-13

  structured streamed outputs with immediate validation, tools and dynamic instructions, composable capabilities including web search and thinking, MCP and UI event streams, human-in-the-loop, graph support, agents definable in YAML/JSON; no benchmark figure

• https://pypi.org/pypi/pydantic-ai/json recorded 2026-08-19

  pydantic-ai 2.32.0 is the current release; the metadata carries no license field