PydanticAI Files

What's Changed

• Add Toolsets and Deferred Tools by @DouweM in https://github.com/pydantic/pydantic-ai/pull/2024
• Support AG-UI protocol for frontend-agent communication by @stevenh in https://github.com/pydantic/pydantic-ai/pull/2223
• Add identifier field to BinaryContent class by @GDaamn in https://github.com/pydantic/pydantic-ai/pull/2231
• Add OpenAI models o1-pro, o3-pro, o3-deep-research, computer-use by @zachmayer in https://github.com/pydantic/pydantic-ai/pull/2234
• Add grok-4 and groq kimi-k2 models by @zachmayer in https://github.com/pydantic/pydantic-ai/pull/2235
• Remove old Google models by @DouweM in https://github.com/pydantic/pydantic-ai/pull/2220
• Change clai default model to gpt-4.1 by @samuelcolvin in https://github.com/pydantic/pydantic-ai/pull/2227
• Fix VertexAI Empty Model Parts Error by @caesarnine in https://github.com/pydantic/pydantic-ai/pull/2203
• Remove incorrect tool call id from OpenAI tool call delta by @naveen-corpusant in https://github.com/pydantic/pydantic-ai/pull/2210
• Speed up method AgentRunResult._set_output_tool_return by 18798% by @misrasaurabh1 in https://github.com/pydantic/pydantic-ai/pull/2196
• Speed up method Usage.opentelemetry_attributes by 85% by @misrasaurabh1 in https://github.com/pydantic/pydantic-ai/pull/2198
• Nicer errors under the capture_run_messages context by @alonme in https://github.com/pydantic/pydantic-ai/pull/2219

New Contributors

• @naveen-corpusant made their first contribution in https://github.com/pydantic/pydantic-ai/pull/2210
• @caesarnine made their first contribution in https://github.com/pydantic/pydantic-ai/pull/2203
• @GSemikozov made their first contribution in https://github.com/pydantic/pydantic-ai/pull/2193
• @alonme made their first contribution in https://github.com/pydantic/pydantic-ai/pull/2219
• @GDaamn made their first contribution in https://github.com/pydantic/pydantic-ai/pull/2231

Full Changelog: https://github.com/pydantic/pydantic-ai/compare/v0.4.3...v0.4.4