diff --git a/autogpt_platform/backend/backend/copilot/baseline/reasoning.py b/autogpt_platform/backend/backend/copilot/baseline/reasoning.py
index f5f8b576bb..0c689ed4a7 100644
--- a/autogpt_platform/backend/backend/copilot/baseline/reasoning.py
+++ b/autogpt_platform/backend/backend/copilot/baseline/reasoning.py
@@ -183,7 +183,7 @@ def _is_reasoning_route(model: str) -> bool:
       existing deployments.
     """
     lowered = model.lower()
-    if lowered.startswith("anthropic"):
+    if lowered.startswith(("anthropic/", "anthropic.")):
         return True
     if lowered.startswith("moonshotai/"):
         return True
diff --git a/autogpt_platform/backend/backend/copilot/config.py b/autogpt_platform/backend/backend/copilot/config.py
index 0c3c55d8dc..1183217f37 100644
--- a/autogpt_platform/backend/backend/copilot/config.py
+++ b/autogpt_platform/backend/backend/copilot/config.py
@@ -60,21 +60,9 @@ class ChatConfig(BaseSettings):
     )
     fast_advanced_model: str = Field(
         default="anthropic/claude-opus-4.7",
-        validation_alias=AliasChoices(
-            "CHAT_FAST_ADVANCED_MODEL",
-        ),
-        description="Baseline path, 'advanced' tier.  Opus by default so "
-        "the advanced tier is a clean A/B vs the SDK advanced tier: same "
-        "model, different path — isolates the reasoning-wire + cache "
-        "differences from model capability differences.  Kimi K2-Thinking "
-        "(the reasoning-native sibling) benchmarks ~9pp behind K2.6 on "
-        "SWE-Bench Verified and ~23pp behind on BrowseComp, is text-only, "
-        "and was published 6 months before K2.6 — not a fit for the "
-        "advanced tier today.  Override via ``CHAT_FAST_ADVANCED_MODEL``. "
-        "Unlike the other three cells there is no legacy env var to "
-        "alias — this cell was created in the 2×2 split — but the "
-        "``validation_alias`` stays explicit so the override isn't "
-        "coupled to ``env_prefix`` continuing to exist.",
+        validation_alias=AliasChoices("CHAT_FAST_ADVANCED_MODEL"),
+        description="Baseline path, 'advanced' tier.  Opus by default. "
+        "Override via ``CHAT_FAST_ADVANCED_MODEL``.",
     )
     thinking_standard_model: str = Field(
         default="anthropic/claude-sonnet-4-6",