News · Use it
Pydantic AI 2.26.0
Function tools can stay hidden until revealed — by tool search, load_capability, or a ToolReturn — using each provider's native deferral channel. Run cancellation lands as AgentRun.cancel() and RunContext.cancel().4
Relevant to: anyone whose agent carries forty tools and pays for the list on every single call
What the verdict meansAvailable, works, worth your time today.
Sources
- github — pydantic-ai v2.26.0 · read
Originally part of the 7 August 2026 edition.