diff --git a/src/config.py b/src/config.py
index f01c451b1..d94869a10 100644
--- a/src/config.py
+++ b/src/config.py
@@ -256,7 +256,7 @@ class DeriverSettings(BackupLLMSettingsMixin, HonchoSettings):
     DEDUPLICATE: bool = True
 
     MAX_OUTPUT_TOKENS: Annotated[int, Field(default=4096, gt=0, le=100_000)] = 4096
-    THINKING_BUDGET_TOKENS: Annotated[int, Field(default=1024, gt=0, le=5000)] = 1024
+    THINKING_BUDGET_TOKENS: Annotated[int, Field(default=1024, ge=0, le=5000)] = 1024
 
     LOG_OBSERVATIONS: bool = False
 
@@ -359,36 +359,36 @@ class DialecticSettings(HonchoSettings):
     LEVELS: dict[ReasoningLevel, DialecticLevelSettings] = Field(
         default_factory=lambda: {
             "minimal": DialecticLevelSettings(
-                PROVIDER="google",
-                MODEL="gemini-2.5-flash-lite",
+                PROVIDER="custom",
+                MODEL="MiniMax-M2.7",
                 THINKING_BUDGET_TOKENS=0,
                 MAX_TOOL_ITERATIONS=1,
-                MAX_OUTPUT_TOKENS=250,
+                MAX_OUTPUT_TOKENS=1024,
                 TOOL_CHOICE="any",
             ),
             "low": DialecticLevelSettings(
-                PROVIDER="google",
-                MODEL="gemini-2.5-flash-lite",
+                PROVIDER="custom",
+                MODEL="MiniMax-M2.7",
                 THINKING_BUDGET_TOKENS=0,
                 MAX_TOOL_ITERATIONS=5,
                 TOOL_CHOICE="any",
             ),
             "medium": DialecticLevelSettings(
-                PROVIDER="anthropic",
-                MODEL="claude-haiku-4-5",
-                THINKING_BUDGET_TOKENS=1024,
+                PROVIDER="custom",
+                MODEL="MiniMax-M2.7",
+                THINKING_BUDGET_TOKENS=0,
                 MAX_TOOL_ITERATIONS=2,
             ),
             "high": DialecticLevelSettings(
-                PROVIDER="anthropic",
-                MODEL="claude-haiku-4-5",
-                THINKING_BUDGET_TOKENS=1024,
+                PROVIDER="custom",
+                MODEL="MiniMax-M2.7",
+                THINKING_BUDGET_TOKENS=0,
                 MAX_TOOL_ITERATIONS=4,
             ),
             "max": DialecticLevelSettings(
-                PROVIDER="anthropic",
-                MODEL="claude-haiku-4-5",
-                THINKING_BUDGET_TOKENS=2048,
+                PROVIDER="custom",
+                MODEL="MiniMax-M2.7",
+                THINKING_BUDGET_TOKENS=0,
                 MAX_TOOL_ITERATIONS=10,
             ),
         }
@@ -438,7 +438,7 @@ class SummarySettings(BackupLLMSettingsMixin, HonchoSettings):
     MAX_TOKENS_SHORT: Annotated[int, Field(default=1000, gt=0, le=10_000)] = 1000
     MAX_TOKENS_LONG: Annotated[int, Field(default=4000, gt=0, le=20_000)] = 4000
 
-    THINKING_BUDGET_TOKENS: Annotated[int, Field(default=512, gt=0, le=2000)] = 512
+    THINKING_BUDGET_TOKENS: Annotated[int, Field(default=512, ge=0, le=2000)] = 512
 
 
 class WebhookSettings(HonchoSettings):
@@ -542,7 +542,7 @@ class DreamSettings(BackupLLMSettingsMixin, HonchoSettings):
     PROVIDER: SupportedProviders = "anthropic"
     MODEL: str = "claude-sonnet-4-20250514"
     MAX_OUTPUT_TOKENS: Annotated[int, Field(default=16_384, gt=0, le=64_000)] = 16_384
-    THINKING_BUDGET_TOKENS: Annotated[int, Field(default=8192, gt=0, le=32_000)] = 8192
+    THINKING_BUDGET_TOKENS: Annotated[int, Field(default=8192, ge=0, le=32_000)] = 8192
 
     # Agent iteration limit - increased for extended reasoning workflow
     MAX_TOOL_ITERATIONS: Annotated[int, Field(default=20, gt=0, le=50)] = 20