diff --git a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/CHANGELOG.md b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/CHANGELOG.md
index 3509eb5b79..16ecbdaefe 100644
--- a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/CHANGELOG.md
+++ b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- Use generic `OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT` environment variable
+  to control if content of prompt, completion, and other messages is captured.
+  ([#2947](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2947))
+
 - Update OpenAI instrumentation to Semantic Conventions v1.28.0: add new attributes
   and switch prompts and completions to log-based events.
   ([#2925](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2925))
diff --git a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/utils.py b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/utils.py
index ffbf3db5aa..a3a2d317ce 100644
--- a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/utils.py
+++ b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/utils.py
@@ -27,14 +27,14 @@
     server_attributes as ServerAttributes,
 )
 
-OTEL_INSTRUMENTATION_OPENAI_CAPTURE_MESSAGE_CONTENT = (
-    "OTEL_INSTRUMENTATION_OPENAI_CAPTURE_MESSAGE_CONTENT"
+OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT = (
+    "OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT"
 )
 
 
 def is_content_enabled() -> bool:
     capture_content = environ.get(
-        OTEL_INSTRUMENTATION_OPENAI_CAPTURE_MESSAGE_CONTENT, "false"
+        OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT, "false"
     )
 
     return capture_content.lower() == "true"
diff --git a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/tests/conftest.py b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/tests/conftest.py
index 1b79947cc5..f35dfbacf2 100644
--- a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/tests/conftest.py
+++ b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/tests/conftest.py
@@ -7,7 +7,7 @@
 
 from opentelemetry.instrumentation.openai_v2 import OpenAIInstrumentor
 from opentelemetry.instrumentation.openai_v2.utils import (
-    OTEL_INSTRUMENTATION_OPENAI_CAPTURE_MESSAGE_CONTENT,
+    OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT,
 )
 from opentelemetry.sdk._events import EventLoggerProvider
 from opentelemetry.sdk._logs import LoggerProvider
@@ -85,7 +85,7 @@ def instrument_no_content(tracer_provider, event_logger_provider):
 @pytest.fixture(scope="function")
 def instrument_with_content(tracer_provider, event_logger_provider):
     os.environ.update(
-        {OTEL_INSTRUMENTATION_OPENAI_CAPTURE_MESSAGE_CONTENT: "True"}
+        {OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT: "True"}
     )
     instrumentor = OpenAIInstrumentor()
     instrumentor.instrument(
@@ -94,7 +94,7 @@ def instrument_with_content(tracer_provider, event_logger_provider):
     )
 
     yield instrumentor
-    os.environ.pop(OTEL_INSTRUMENTATION_OPENAI_CAPTURE_MESSAGE_CONTENT, None)
+    os.environ.pop(OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT, None)
     instrumentor.uninstrument()
 
 
diff --git a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/tests/test_chat_completions.py b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/tests/test_chat_completions.py
index be7bfc09b3..4369aa6a38 100644
--- a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/tests/test_chat_completions.py
+++ b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/tests/test_chat_completions.py
@@ -713,6 +713,7 @@ def assert_message_in_logs(log, event_name, expected_content, parent_span):
     if not expected_content:
         assert not log.log_record.body
     else:
+        assert log.log_record.body
         assert dict(log.log_record.body) == remove_none_values(
             expected_content
         )