diff --git a/instrumentation-loongsuite/loongsuite-instrumentation-crewai/CHANGELOG.md b/instrumentation-loongsuite/loongsuite-instrumentation-crewai/CHANGELOG.md
index fc512751d..78fcfe435 100644
--- a/instrumentation-loongsuite/loongsuite-instrumentation-crewai/CHANGELOG.md
+++ b/instrumentation-loongsuite/loongsuite-instrumentation-crewai/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Fixed
+
+- Keep incidental provider requests out of the CrewAI VCR cassettes so a
+  first-use model-metadata fetch cannot fail the recorded tests.
+  ([#270](https://github.com/alibaba/loongsuite-python/pull/270))
+
 ## Version 0.9.0 (2026-09-07)
 
 There are no changelog entries for this release.
diff --git a/instrumentation-loongsuite/loongsuite-instrumentation-crewai/tests/conftest.py b/instrumentation-loongsuite/loongsuite-instrumentation-crewai/tests/conftest.py
index 7f2e67f20..c89b9b2a8 100644
--- a/instrumentation-loongsuite/loongsuite-instrumentation-crewai/tests/conftest.py
+++ b/instrumentation-loongsuite/loongsuite-instrumentation-crewai/tests/conftest.py
@@ -12,8 +12,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import os
+
 import pytest
 
+# litellm fetches its model cost map from raw.githubusercontent.com the first time
+# it is used. Under ``record_mode=none`` that request has no recorded counterpart,
+# so VCR reports "Can't overwrite existing cassette" and its method/host/path
+# matchers fail against the recorded api.openai.com interactions. Loading the
+# bundled copy keeps the suite offline; litellm documents the switch in
+# ``litellm.litellm_core_utils.get_model_cost_map``.
+os.environ.setdefault("LITELLM_LOCAL_MODEL_COST_MAP", "True")
+
 
 def scrub_response_headers(response):
     """Clean up common sensitive response headers before recording."""
@@ -48,4 +58,15 @@ def vcr_config():
         ],
         "before_record_response": scrub_response_headers,
         "decode_compressed_response": True,
+        # Requests incidental to the code under test must not reach the
+        # cassettes, or they fail playback under ``record_mode=none``. The
+        # litellm package's own conftest ignores its telemetry hosts for the
+        # same reason.
+        "ignore_hosts": [
+            "raw.githubusercontent.com",
+            "us.i.posthog.com",
+            "app.posthog.com",
+            "api.litellm.ai",
+            "telemetry.crewai.com",
+        ],
     }