v0.4.4 (2025-07-18)

What's Changed

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

New Contributors

• @naveen-corpusant made their first contribution in #2210
• @caesarnine made their first contribution in #2203
• @GSemikozov made their first contribution in #2193
• @alonme made their first contribution in #2219
• @GDaamn made their first contribution in #2231

Full Changelog: v0.4.3...v0.4.4