diff --git a/changelog/3231.changed.md b/changelog/3231.changed.md
new file mode 100644
index 000000000..02de3cf8f
--- /dev/null
+++ b/changelog/3231.changed.md
@@ -0,0 +1,3 @@
+- Changed the `reason` field in `EndFrame`, `CancelFrame`, `EndTaskFrame`, and
+  `CancelTaskFrame` from `str` to `Any` to indicate that it can hold values
+  other than strings.
diff --git a/examples/foundational/26a-gemini-live-transcription.py b/examples/foundational/26a-gemini-live-transcription.py
index 2aed3e650..7d0f87ded 100644
--- a/examples/foundational/26a-gemini-live-transcription.py
+++ b/examples/foundational/26a-gemini-live-transcription.py
@@ -17,7 +17,6 @@ from pipecat.pipeline.pipeline import Pipeline
 from pipecat.pipeline.runner import PipelineRunner
 from pipecat.pipeline.task import PipelineParams, PipelineTask
 from pipecat.processors.aggregators.llm_context import LLMContext
-from pipecat.processors.aggregators.llm_response import LLMAssistantAggregatorParams
 from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair
 from pipecat.processors.transcript_processor import TranscriptProcessor
 from pipecat.runner.types import RunnerArguments
diff --git a/examples/foundational/26b-gemini-live-function-calling.py b/examples/foundational/26b-gemini-live-function-calling.py
index 41c312822..fe7afbc6d 100644
--- a/examples/foundational/26b-gemini-live-function-calling.py
+++ b/examples/foundational/26b-gemini-live-function-calling.py
@@ -20,7 +20,6 @@ from pipecat.pipeline.pipeline import Pipeline
 from pipecat.pipeline.runner import PipelineRunner
 from pipecat.pipeline.task import PipelineParams, PipelineTask
 from pipecat.processors.aggregators.llm_context import LLMContext
-from pipecat.processors.aggregators.llm_response import LLMAssistantAggregatorParams
 from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair
 from pipecat.runner.types import RunnerArguments
 from pipecat.runner.utils import create_transport
diff --git a/examples/foundational/26c-gemini-live-video.py b/examples/foundational/26c-gemini-live-video.py
index 3b68a650a..d42aaa385 100644
--- a/examples/foundational/26c-gemini-live-video.py
+++ b/examples/foundational/26c-gemini-live-video.py
@@ -18,7 +18,6 @@ from pipecat.pipeline.pipeline import Pipeline
 from pipecat.pipeline.runner import PipelineRunner
 from pipecat.pipeline.task import PipelineParams, PipelineTask
 from pipecat.processors.aggregators.llm_context import LLMContext
-from pipecat.processors.aggregators.llm_response import LLMAssistantAggregatorParams
 from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair
 from pipecat.runner.types import RunnerArguments
 from pipecat.runner.utils import (
diff --git a/scripts/evals/eval.py b/scripts/evals/eval.py
index 306385988..6eb8b938c 100644
--- a/scripts/evals/eval.py
+++ b/scripts/evals/eval.py
@@ -31,7 +31,13 @@ from pipecat.adapters.schemas.function_schema import FunctionSchema
 from pipecat.adapters.schemas.tools_schema import ToolsSchema
 from pipecat.audio.vad.silero import SileroVADAnalyzer
 from pipecat.audio.vad.vad_analyzer import VADParams
-from pipecat.frames.frames import EndTaskFrame, LLMRunFrame, OutputImageRawFrame
+from pipecat.frames.frames import (
+    CancelFrame,
+    EndFrame,
+    EndTaskFrame,
+    LLMRunFrame,
+    OutputImageRawFrame,
+)
 from pipecat.pipeline.pipeline import Pipeline
 from pipecat.pipeline.runner import PipelineRunner
 from pipecat.pipeline.task import PipelineParams, PipelineTask
@@ -50,6 +56,7 @@ SCRIPT_DIR = Path(__file__).resolve().parent
 
 PIPELINE_IDLE_TIMEOUT_SECS = 60
 EVAL_TIMEOUT_SECS = 120
+EVAL_RESULT_TIMEOUT_SECS = 10
 
 EvalPrompt = str | Tuple[str, ImageFile]
 
@@ -78,7 +85,7 @@ class EvalRunner:
         self._log_level = log_level
         self._total_success = 0
         self._tests: List[EvalResult] = []
-        self._queue = asyncio.Queue()
+        self._result_future: Optional[asyncio.Future[bool]] = None
 
         # We to save runner files.
         name = name or f"{datetime.now().strftime('%Y%m%d_%H%M%S')}"
@@ -88,16 +95,16 @@ class EvalRunner:
         os.makedirs(self._logs_dir, exist_ok=True)
         os.makedirs(self._recordings_dir, exist_ok=True)
 
-    async def assert_eval(self, params: FunctionCallParams):
+    async def function_assert_eval(self, params: FunctionCallParams):
         result = params.arguments["result"]
         reasoning = params.arguments["reasoning"]
         logger.debug(f"🧠 EVAL REASONING(result: {result}): {reasoning}")
-        await self._queue.put(result)
         await params.result_callback(None)
-        await params.llm.push_frame(EndTaskFrame(), FrameDirection.UPSTREAM)
+        await params.llm.push_frame(EndTaskFrame(reason=result), FrameDirection.UPSTREAM)
 
-    async def assert_eval_false(self):
-        await self._queue.put(False)
+    async def assert_eval(self, result: bool):
+        if self._result_future:
+            self._result_future.set_result(result)
 
     async def run_eval(
         self,
@@ -117,6 +124,9 @@ class EvalRunner:
 
         start_time = time.time()
 
+        # Create a future to store the eval result.
+        self._result_future = asyncio.get_running_loop().create_future()
+
         try:
             tasks = [
                 asyncio.create_task(run_example_pipeline(script_path, eval_config)),
@@ -136,8 +146,10 @@ class EvalRunner:
             logger.error(f"ERROR: Unable to run {example_file}: {e}")
 
         try:
-            result = await asyncio.wait_for(self._queue.get(), timeout=1.0)
+            # Wait for the future to resolve.
+            result = await asyncio.wait_for(self._result_future, timeout=EVAL_RESULT_TIMEOUT_SECS)
         except asyncio.TimeoutError:
+            logger.error(f"ERROR: Timeout waiting for eval result.")
             result = False
 
         if result:
@@ -244,7 +256,7 @@ async def run_eval_pipeline(
 
     llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"))
 
-    llm.register_function("eval_function", eval_runner.assert_eval)
+    llm.register_function("eval_function", eval_runner.function_assert_eval)
 
     eval_function = FunctionSchema(
         name="eval_function",
@@ -348,7 +360,14 @@ async def run_eval_pipeline(
 
     @task.event_handler("on_idle_timeout")
     async def on_pipeline_idle_timeout(task):
-        await eval_runner.assert_eval_false()
+        await eval_runner.assert_eval(False)
+
+    @task.event_handler("on_pipeline_finished")
+    async def on_pipeline_finished(task, frame):
+        if isinstance(frame, EndFrame):
+            await eval_runner.assert_eval(frame.reason)
+        elif isinstance(frame, CancelFrame):
+            await eval_runner.assert_eval(False)
 
     # TODO(aleix): We should handle SIGINT and SIGTERM so we can cancel both the
     # eval and the example.
diff --git a/scripts/evals/run-release-evals.py b/scripts/evals/run-release-evals.py
index 9e0d88260..fb75a0c03 100644
--- a/scripts/evals/run-release-evals.py
+++ b/scripts/evals/run-release-evals.py
@@ -30,13 +30,13 @@ EVAL_SIMPLE_MATH = EvalConfig(
 )
 
 EVAL_WEATHER = EvalConfig(
-    prompt="What's the weather in San Francisco (in farhenheit or celsius)?",
-    eval="The user says something specific about the current weather in San Francisco, including the degrees (in farhenheit or celsius).",
+    prompt="What's the weather in San Francisco? Temperature should be in any unit, just pick one.",
+    eval="The user talks about the weather in San Francisco, including the degrees.",
 )
 
 EVAL_ONLINE_SEARCH = EvalConfig(
-    prompt="What's the date right now in London?",
-    eval=f"The user says today is {datetime.now(timezone.utc).strftime('%B %d, %Y')} in London.",
+    prompt="What's the current date in UTC?",
+    eval=f"Current date in UTC is {datetime.now(timezone.utc).strftime('%A, %B %d, %Y')}.",
 )
 
 EVAL_SWITCH_LANGUAGE = EvalConfig(
diff --git a/src/pipecat/frames/frames.py b/src/pipecat/frames/frames.py
index 542f21fc0..c7d07dbed 100644
--- a/src/pipecat/frames/frames.py
+++ b/src/pipecat/frames/frames.py
@@ -947,7 +947,7 @@ class CancelFrame(SystemFrame):
         reason: Optional reason for pushing a cancel frame.
     """
 
-    reason: Optional[str] = None
+    reason: Optional[Any] = None
 
     def __str__(self):
         return f"{self.name}(reason: {self.reason})"
@@ -1537,7 +1537,7 @@ class EndTaskFrame(TaskFrame):
         reason: Optional reason for pushing an end frame.
     """
 
-    reason: Optional[str] = None
+    reason: Optional[Any] = None
 
     def __str__(self):
         return f"{self.name}(reason: {self.reason})"
@@ -1555,7 +1555,7 @@ class CancelTaskFrame(TaskFrame):
         reason: Optional reason for pushing a cancel frame.
     """
 
-    reason: Optional[str] = None
+    reason: Optional[Any] = None
 
     def __str__(self):
         return f"{self.name}(reason: {self.reason})"
@@ -1634,7 +1634,7 @@ class EndFrame(ControlFrame):
         reason: Optional reason for pushing an end frame.
     """
 
-    reason: Optional[str] = None
+    reason: Optional[Any] = None
 
     def __str__(self):
         return f"{self.name}(reason: {self.reason})"