diff --git a/src/crewai/agents/agent_builder/base_agent.py b/src/crewai/agents/agent_builder/base_agent.py
index 394e10cda9..90f886fd52 100644
--- a/src/crewai/agents/agent_builder/base_agent.py
+++ b/src/crewai/agents/agent_builder/base_agent.py
@@ -1,6 +1,7 @@
 import uuid
 from abc import ABC, abstractmethod
 from copy import copy as shallow_copy
+from hashlib import md5
 from typing import Any, Dict, List, Optional, TypeVar
 
 from pydantic import (
@@ -162,6 +163,11 @@ def set_private_attrs(self):
             self._token_process = TokenProcess()
         return self
 
+    @property
+    def key(self):
+        source = [self.role, self.goal, self.backstory]
+        return md5("|".join(source).encode()).hexdigest()
+
     @abstractmethod
     def execute_task(
         self,
diff --git a/src/crewai/crew.py b/src/crewai/crew.py
index 0132c6941c..e540a2ad9a 100644
--- a/src/crewai/crew.py
+++ b/src/crewai/crew.py
@@ -2,6 +2,7 @@
 import json
 import uuid
 from concurrent.futures import Future
+from hashlib import md5
 from typing import Any, Dict, List, Optional, Tuple, Union
 
 from langchain_core.callbacks import BaseCallbackHandler
@@ -330,6 +331,13 @@ def validate_context_no_future_tasks(self):
                         )
         return self
 
+    @property
+    def key(self) -> str:
+        source = [agent.key for agent in self.agents] + [
+            task.key for task in self.tasks
+        ]
+        return md5("|".join(source).encode()).hexdigest()
+
     def _setup_from_config(self):
         assert self.config is not None, "Config should not be None."
 
diff --git a/src/crewai/task.py b/src/crewai/task.py
index 439b1df135..23c6f71518 100644
--- a/src/crewai/task.py
+++ b/src/crewai/task.py
@@ -5,8 +5,10 @@
 import uuid
 from concurrent.futures import Future
 from copy import copy
+from hashlib import md5
 from typing import Any, Dict, List, Optional, Tuple, Type, Union
 
+
 from langchain_openai import ChatOpenAI
 from opentelemetry.trace import Span
 from pydantic import UUID4, BaseModel, Field, field_validator, model_validator
@@ -173,6 +175,14 @@ def execute_sync(
         """Execute the task synchronously."""
         return self._execute_core(agent, context, tools)
 
+    @property
+    def key(self) -> str:
+        description = self._original_description or self.description
+        expected_output = self._original_expected_output or self.expected_output
+        source = [description, expected_output]
+
+        return md5("|".join(source).encode()).hexdigest()
+
     def execute_async(
         self,
         agent: BaseAgent | None = None,
@@ -238,7 +248,7 @@ def _execute_core(
             self.callback(self.output)
 
         if self._execution_span:
-            self._telemetry.task_ended(self._execution_span, self)
+            self._telemetry.task_ended(self._execution_span, self, agent.crew)
             self._execution_span = None
 
         if self.output_file:
diff --git a/src/crewai/telemetry/telemetry.py b/src/crewai/telemetry/telemetry.py
index 534b663bf7..3983de0ecd 100644
--- a/src/crewai/telemetry/telemetry.py
+++ b/src/crewai/telemetry/telemetry.py
@@ -92,13 +92,8 @@ def crew_creation(self, crew: Crew, inputs: dict[str, Any] | None):
                     pkg_resources.get_distribution("crewai").version,
                 )
                 self._add_attribute(span, "python_version", platform.python_version())
+                self._add_attribute(span, "crew_key", crew.key)
                 self._add_attribute(span, "crew_id", str(crew.id))
-
-                if crew.share_crew:
-                    self._add_attribute(
-                        span, "crew_inputs", json.dumps(inputs) if inputs else None
-                    )
-
                 self._add_attribute(span, "crew_process", crew.process)
                 self._add_attribute(span, "crew_memory", crew.memory)
                 self._add_attribute(span, "crew_number_of_tasks", len(crew.tasks))
@@ -109,6 +104,7 @@ def crew_creation(self, crew: Crew, inputs: dict[str, Any] | None):
                     json.dumps(
                         [
                             {
+                                "key": agent.key,
                                 "id": str(agent.id),
                                 "role": agent.role,
                                 "goal": agent.goal,
@@ -133,12 +129,14 @@ def crew_creation(self, crew: Crew, inputs: dict[str, Any] | None):
                     json.dumps(
                         [
                             {
+                                "key": task.key,
                                 "id": str(task.id),
                                 "description": task.description,
                                 "expected_output": task.expected_output,
                                 "async_execution?": task.async_execution,
                                 "human_input?": task.human_input,
                                 "agent_role": task.agent.role if task.agent else "None",
+                                "agent_key": task.agent.key if task.agent else None,
                                 "context": (
                                     [task.description for task in task.context]
                                     if task.context
@@ -157,6 +155,12 @@ def crew_creation(self, crew: Crew, inputs: dict[str, Any] | None):
                 self._add_attribute(span, "platform_system", platform.system())
                 self._add_attribute(span, "platform_version", platform.version())
                 self._add_attribute(span, "cpus", os.cpu_count())
+
+                if crew.share_crew:
+                    self._add_attribute(
+                        span, "crew_inputs", json.dumps(inputs) if inputs else None
+                    )
+
                 span.set_status(Status(StatusCode.OK))
                 span.end()
             except Exception:
@@ -170,7 +174,9 @@ def task_started(self, crew: Crew, task: Task) -> Span | None:
 
                 created_span = tracer.start_span("Task Created")
 
+                self._add_attribute(created_span, "crew_key", crew.key)
                 self._add_attribute(created_span, "crew_id", str(crew.id))
+                self._add_attribute(created_span, "task_key", task.key)
                 self._add_attribute(created_span, "task_id", str(task.id))
 
                 if crew.share_crew:
@@ -186,7 +192,9 @@ def task_started(self, crew: Crew, task: Task) -> Span | None:
 
                 span = tracer.start_span("Task Execution")
 
+                self._add_attribute(span, "crew_key", crew.key)
                 self._add_attribute(span, "crew_id", str(crew.id))
+                self._add_attribute(span, "task_key", task.key)
                 self._add_attribute(span, "task_id", str(task.id))
 
                 if crew.share_crew:
@@ -201,13 +209,16 @@ def task_started(self, crew: Crew, task: Task) -> Span | None:
 
         return None
 
-    def task_ended(self, span: Span, task: Task):
+    def task_ended(self, span: Span, task: Task, crew: Crew):
         """Records task execution in a crew."""
         if self.ready:
             try:
-                self._add_attribute(
-                    span, "output", task.output.raw_output if task.output else ""
-                )
+                if crew.share_crew:
+                    self._add_attribute(
+                        span,
+                        "task_output",
+                        task.output.raw if task.output else "",
+                    )
 
                 span.set_status(Status(StatusCode.OK))
                 span.end()
@@ -293,6 +304,7 @@ def crew_execution_span(self, crew: Crew, inputs: dict[str, Any] | None):
                     "crewai_version",
                     pkg_resources.get_distribution("crewai").version,
                 )
+                self._add_attribute(span, "crew_key", crew.key)
                 self._add_attribute(span, "crew_id", str(crew.id))
                 self._add_attribute(
                     span, "crew_inputs", json.dumps(inputs) if inputs else None
@@ -303,6 +315,7 @@ def crew_execution_span(self, crew: Crew, inputs: dict[str, Any] | None):
                     json.dumps(
                         [
                             {
+                                "key": agent.key,
                                 "id": str(agent.id),
                                 "role": agent.role,
                                 "goal": agent.goal,
@@ -333,6 +346,7 @@ def crew_execution_span(self, crew: Crew, inputs: dict[str, Any] | None):
                                 "async_execution?": task.async_execution,
                                 "human_input?": task.human_input,
                                 "agent_role": task.agent.role if task.agent else "None",
+                                "agent_key": task.agent.key if task.agent else None,
                                 "context": (
                                     [task.description for task in task.context]
                                     if task.context
diff --git a/tests/agents/agent_builder/base_agent_test.py b/tests/agents/agent_builder/base_agent_test.py
new file mode 100644
index 0000000000..4e47f2271e
--- /dev/null
+++ b/tests/agents/agent_builder/base_agent_test.py
@@ -0,0 +1,36 @@
+import hashlib
+from typing import Any, List, Optional
+
+from crewai.agents.agent_builder.base_agent import BaseAgent
+from pydantic import BaseModel
+
+
+class TestAgent(BaseAgent):
+    def execute_task(
+        self,
+        task: Any,
+        context: Optional[str] = None,
+        tools: Optional[List[Any]] = None,
+    ) -> str:
+        return ""
+
+    def create_agent_executor(self, tools=None) -> None: ...
+
+    def _parse_tools(self, tools: List[Any]) -> List[Any]:
+        return []
+
+    def get_delegation_tools(self, agents: List["BaseAgent"]): ...
+
+    def get_output_converter(
+        self, llm: Any, text: str, model: type[BaseModel] | None, instructions: str
+    ): ...
+
+
+def test_key():
+    agent = TestAgent(
+        role="test role",
+        goal="test goal",
+        backstory="test backstory",
+    )
+    hash = hashlib.md5("test role|test goal|test backstory".encode()).hexdigest()
+    assert agent.key == hash
diff --git a/tests/crew_test.py b/tests/crew_test.py
index 543a165096..b9f38789e2 100644
--- a/tests/crew_test.py
+++ b/tests/crew_test.py
@@ -1,5 +1,6 @@
 """Test Agent creation and execution basic functionality."""
 
+import hashlib
 import json
 from concurrent.futures import Future
 from unittest import mock
@@ -2234,3 +2235,28 @@ def test_replay_from_task_setup_context():
         assert crew.tasks[0].output.output_format == OutputFormat.RAW
 
         assert crew.tasks[1].prompt_context == "context raw output"
+
+
+def test_key():
+    tasks = [
+        Task(
+            description="Give me a list of 5 interesting ideas to explore for na article, what makes them unique and interesting.",
+            expected_output="Bullet point list of 5 important events.",
+            agent=researcher,
+        ),
+        Task(
+            description="Write a 1 amazing paragraph highlight for each idea that showcases how good an article about this topic could be. Return the list of ideas with their paragraph and your notes.",
+            expected_output="A 4 paragraph article about AI.",
+            agent=writer,
+        ),
+    ]
+    crew = Crew(
+        agents=[researcher, writer],
+        process=Process.sequential,
+        tasks=tasks,
+    )
+    hash = hashlib.md5(
+        f"{researcher.key}|{writer.key}|{tasks[0].key}|{tasks[1].key}".encode()
+    ).hexdigest()
+
+    assert crew.key == hash
diff --git a/tests/task_test.py b/tests/task_test.py
index 95f201c7c9..9e98ecbad7 100644
--- a/tests/task_test.py
+++ b/tests/task_test.py
@@ -1,15 +1,15 @@
 """Test Agent creation and execution basic functionality."""
 
+import hashlib
 import json
 from unittest.mock import MagicMock, patch
 
 import pytest
-from pydantic import BaseModel
-from pydantic_core import ValidationError
-
 from crewai import Agent, Crew, Process, Task
 from crewai.tasks.task_output import TaskOutput
 from crewai.utilities.converter import Converter
+from pydantic import BaseModel
+from pydantic_core import ValidationError
 
 
 def test_task_tool_reflect_agent_tools():
@@ -791,3 +791,22 @@ def test_task_output_str_with_none():
     )
 
     assert str(task_output) == ""
+
+
+def test_key():
+    original_description = "Give me a list of 5 interesting ideas about {topic} to explore for an article, what makes them unique and interesting."
+    original_expected_output = "Bullet point list of 5 interesting ideas about {topic}."
+    task = Task(
+        description=original_description,
+        expected_output=original_expected_output,
+    )
+    hash = hashlib.md5(
+        f"{original_description}|{original_expected_output}".encode()
+    ).hexdigest()
+
+    assert task.key == hash, "The key should be the hash of the description."
+
+    task.interpolate_inputs(inputs={"topic": "AI"})
+    assert (
+        task.key == hash
+    ), "The key should be the hash of the non-interpolated description."