diff --git a/sentry_sdk/integrations/openai_agents/patches/models.py b/sentry_sdk/integrations/openai_agents/patches/models.py
index 634c9fdca1..8f708dafce 100644
--- a/sentry_sdk/integrations/openai_agents/patches/models.py
+++ b/sentry_sdk/integrations/openai_agents/patches/models.py
@@ -17,7 +17,7 @@
 from ..spans import ai_client_span, update_ai_client_span
 
 if TYPE_CHECKING:
-    from typing import Any, Callable, Optional, Union
+    from typing import Any, Callable, Union
 
     from sentry_sdk.tracing import Span
 
@@ -28,19 +28,6 @@
     raise DidNotEnable("OpenAI Agents not installed")
 
 
-def _set_response_model_on_agent_span(
-    agent: "agents.Agent", response_model: "Optional[str]"
-) -> None:
-    """Set the response model on the agent's invoke_agent span if available."""
-    if response_model:
-        agent_span = getattr(agent, "_sentry_agent_span", None)
-        if agent_span:
-            if isinstance(agent_span, StreamedSpan):
-                agent_span.set_attribute(SPANDATA.GEN_AI_RESPONSE_MODEL, response_model)
-            else:
-                agent_span.set_data(SPANDATA.GEN_AI_RESPONSE_MODEL, response_model)
-
-
 def _inject_trace_propagation_headers(
     hosted_tool: "HostedMCPTool", span: "Union[Span, StreamedSpan]"
 ) -> None:
@@ -123,7 +110,6 @@ async def wrapped_get_response(*args: "Any", **kwargs: "Any") -> "Any":
             if response_model:
                 delattr(agent, "_sentry_response_model")
 
-            _set_response_model_on_agent_span(agent, response_model)
             update_ai_client_span(span, result, response_model, agent)
 
         return result
@@ -187,7 +173,6 @@ async def wrapped_stream_response(*args: "Any", **kwargs: "Any") -> "Any":
                         and streaming_response.model
                         else None
                     )
-                    _set_response_model_on_agent_span(agent, response_model)
                     update_ai_client_span(
                         span, streaming_response, response_model, agent
                     )
diff --git a/tests/integrations/openai_agents/test_openai_agents.py b/tests/integrations/openai_agents/test_openai_agents.py
index a27921a628..525a4ec30f 100644
--- a/tests/integrations/openai_agents/test_openai_agents.py
+++ b/tests/integrations/openai_agents/test_openai_agents.py
@@ -4881,23 +4881,10 @@ async def test_invoke_agent_span_includes_response_model(
 
         sentry_sdk.flush()
         spans = [item.payload for item in items if item.type == "span"]
-        invoke_agent_span = next(
-            span
-            for span in spans
-            if span["attributes"]["sentry.op"] == OP.GEN_AI_INVOKE_AGENT
-        )
         ai_client_span = next(
             span for span in spans if span["attributes"]["sentry.op"] == OP.GEN_AI_CHAT
         )
 
-        # Verify invoke_agent span has response model from API
-        assert invoke_agent_span["name"] == "invoke_agent test_agent"
-        assert "gen_ai.response.model" in invoke_agent_span["attributes"]
-        assert (
-            invoke_agent_span["attributes"]["gen_ai.response.model"]
-            == "gpt-4.1-2025-04-14"
-        )
-
         # Also verify ai_client span has it
         assert "gen_ai.response.model" in ai_client_span["attributes"]
         assert (
@@ -4926,18 +4913,8 @@ async def test_invoke_agent_span_includes_response_model(
 
         (transaction,) = events
         spans = transaction["spans"]
-        invoke_agent_span = next(
-            span for span in spans if span["op"] == OP.GEN_AI_INVOKE_AGENT
-        )
         ai_client_span = next(span for span in spans if span["op"] == OP.GEN_AI_CHAT)
 
-        # Verify invoke_agent span has response model from API
-        assert invoke_agent_span["description"] == "invoke_agent test_agent"
-        assert "gen_ai.response.model" in invoke_agent_span["data"]
-        assert (
-            invoke_agent_span["data"]["gen_ai.response.model"] == "gpt-4.1-2025-04-14"
-        )
-
         # Also verify ai_client span has it
         assert "gen_ai.response.model" in ai_client_span["data"]
         assert ai_client_span["data"]["gen_ai.response.model"] == "gpt-4.1-2025-04-14"
@@ -5071,17 +5048,9 @@ def calculator(a: int, b: int) -> int:
         sentry_sdk.flush()
         spans = [item.payload for item in items]
 
-        invoke_agent_span = spans[3]
         first_ai_client_span = spans[0]
         second_ai_client_span = spans[2]  # After tool span
 
-        # Invoke_agent span uses the LAST response model
-        assert "gen_ai.response.model" in invoke_agent_span["attributes"]
-        assert (
-            invoke_agent_span["attributes"]["gen_ai.response.model"]
-            == "gpt-4.1-2025-04-14"
-        )
-
         # Each ai_client span has its own response model from the API
         assert (
             first_ai_client_span["attributes"]["gen_ai.response.model"] == "gpt-4-0613"
@@ -5115,17 +5084,9 @@ def calculator(a: int, b: int) -> int:
 
         spans = [item.payload for item in items if item.type == "span"]
 
-        invoke_agent_span = spans[0]
         first_ai_client_span = spans[1]
         second_ai_client_span = spans[3]  # After tool span
 
-        # Invoke_agent span uses the LAST response model
-        assert "gen_ai.response.model" in invoke_agent_span["attributes"]
-        assert (
-            invoke_agent_span["attributes"]["gen_ai.response.model"]
-            == "gpt-4.1-2025-04-14"
-        )
-
         # Each ai_client span has its own response model from the API
         assert (
             first_ai_client_span["attributes"]["gen_ai.response.model"] == "gpt-4-0613"
@@ -5159,16 +5120,9 @@ def calculator(a: int, b: int) -> int:
         (transaction,) = events
         spans = transaction["spans"]
 
-        invoke_agent_span = spans[0]
         first_ai_client_span = spans[1]
         second_ai_client_span = spans[3]  # After tool span
 
-        # Invoke_agent span uses the LAST response model
-        assert "gen_ai.response.model" in invoke_agent_span["data"]
-        assert (
-            invoke_agent_span["data"]["gen_ai.response.model"] == "gpt-4.1-2025-04-14"
-        )
-
         # Each ai_client span has its own response model from the API
         assert first_ai_client_span["data"]["gen_ai.response.model"] == "gpt-4-0613"
         assert (