diff --git a/README.md b/README.md
index 251181b..b782293 100644
--- a/README.md
+++ b/README.md
@@ -143,7 +143,7 @@ Add or merge these **two parts** into your config (other options have defaults).
 {
   "agents": {
     "defaults": {
-      "model": "anthropic/claude-opus-4-5",
+      "model": "anthropic/claude-opus-4-7",
       "provider": "openrouter"
     }
   }
diff --git a/nanobot/agent/loop.py b/nanobot/agent/loop.py
index 6a4d240..fa56c7b 100644
--- a/nanobot/agent/loop.py
+++ b/nanobot/agent/loop.py
@@ -221,7 +221,7 @@ class AgentLoop:
             return self._quota_cache["model"]
 
         # Default models
-        OPUS = "claude-opus-4-6"
+        OPUS = "claude-opus-4-7"
         SONNET = "claude-sonnet-4-6"
         TOLERANCE = 1.17  # 17% overage triggers downgrade
 
diff --git a/nanobot/config/schema.py b/nanobot/config/schema.py
index f22a21b..e1d8e14 100644
--- a/nanobot/config/schema.py
+++ b/nanobot/config/schema.py
@@ -220,7 +220,7 @@ class AgentDefaults(Base):
     """Default agent configuration."""
 
     workspace: str = "~/.nanobot/workspace"
-    model: str = "anthropic/claude-opus-4-5"
+    model: str = "anthropic/claude-opus-4-7"
     provider: str = "auto"  # Provider name (e.g. "anthropic", "openrouter") or "auto" for auto-detection
     max_tokens: int = 8192
     temperature: float = 0.1
diff --git a/nanobot/providers/anthropic_oauth.py b/nanobot/providers/anthropic_oauth.py
index b1fcfb2..ab46bb5 100644
--- a/nanobot/providers/anthropic_oauth.py
+++ b/nanobot/providers/anthropic_oauth.py
@@ -27,7 +27,7 @@ class AnthropicOAuthProvider(LLMProvider):
     def __init__(
         self,
         oauth_token: str,
-        default_model: str = "claude-opus-4-5",
+        default_model: str = "claude-opus-4-7",
         api_base: str | None = None,
         thinking_budget: int = 0,
     ):
@@ -51,8 +51,8 @@ class AnthropicOAuthProvider(LLMProvider):
     def _normalize_model(model: str) -> str:
         """Normalize model name for the Anthropic API.
 
-        Anthropic model IDs use hyphens (claude-sonnet-4-5), but users often
-        write dots (claude-sonnet-4.5). Normalize so both work.
+        Anthropic model IDs use hyphens (claude-sonnet-4-6), but users often
+        write dots (claude-sonnet-4.6). Normalize so both work.
         """
         return model.replace(".", "-")
 
@@ -557,7 +557,7 @@ class AnthropicOAuthProvider(LLMProvider):
         if "/" in model:
             model = model.split("/")[-1]
 
-        # Normalize dots to hyphens (claude-sonnet-4.5 -> claude-sonnet-4-5)
+        # Normalize dots to hyphens (claude-sonnet-4.6 -> claude-sonnet-4-6)
         model = self._normalize_model(model)
 
         system, prepared_messages = self._prepare_messages(messages)
diff --git a/nanobot/providers/litellm_provider.py b/nanobot/providers/litellm_provider.py
index 1fd7b90..fa37658 100644
--- a/nanobot/providers/litellm_provider.py
+++ b/nanobot/providers/litellm_provider.py
@@ -37,7 +37,7 @@ class LiteLLMProvider(LLMProvider):
         self, 
         api_key: str | None = None, 
         api_base: str | None = None,
-        default_model: str = "anthropic/claude-opus-4-5",
+        default_model: str = "anthropic/claude-opus-4-7",
         extra_headers: dict[str, str] | None = None,
         provider_name: str | None = None,
     ):
@@ -187,7 +187,7 @@ class LiteLLMProvider(LLMProvider):
         Args:
             messages: List of message dicts with 'role' and 'content'.
             tools: Optional list of tool definitions in OpenAI format.
-            model: Model identifier (e.g., 'anthropic/claude-sonnet-4-5').
+            model: Model identifier (e.g., 'anthropic/claude-sonnet-4-6').
             max_tokens: Maximum tokens in response.
             temperature: Sampling temperature.
         
diff --git a/tests/test_anthropic_oauth.py b/tests/test_anthropic_oauth.py
index 9217d95..b4da26d 100644
--- a/tests/test_anthropic_oauth.py
+++ b/tests/test_anthropic_oauth.py
@@ -10,14 +10,14 @@ def provider():
     """Create provider with test OAuth token."""
     return AnthropicOAuthProvider(
         oauth_token="sk-ant-oat01-test-token",
-        default_model="claude-opus-4-5"
+        default_model="claude-opus-4-7"
     )
 
 
 def test_provider_init(provider):
     """Provider should initialize with OAuth token."""
     assert provider.oauth_token == "sk-ant-oat01-test-token"
-    assert provider.default_model == "claude-opus-4-5"
+    assert provider.default_model == "claude-opus-4-7"
 
 
 def test_provider_uses_bearer_auth(provider):
diff --git a/tests/test_config_oauth_integration.py b/tests/test_config_oauth_integration.py
index 8ef6f1a..cbfe4a1 100644
--- a/tests/test_config_oauth_integration.py
+++ b/tests/test_config_oauth_integration.py
@@ -13,7 +13,7 @@ def test_oauth_token_injected_into_config(tmp_path, monkeypatch):
     # Create a minimal config file (no api key set)
     config_path = tmp_path / "config.json"
     config_path.write_text(json.dumps({
-        "agents": {"defaults": {"model": "anthropic/claude-opus-4-5"}},
+        "agents": {"defaults": {"model": "anthropic/claude-opus-4-7"}},
         "providers": {"anthropic": {"apiKey": ""}}
     }))
 
diff --git a/tests/test_long_context_recovery.py b/tests/test_long_context_recovery.py
index 1673924..aa4f3c2 100644
--- a/tests/test_long_context_recovery.py
+++ b/tests/test_long_context_recovery.py
@@ -20,7 +20,7 @@ async def test_provider_raises_long_context_error_on_long_context_429():
 
     provider = AnthropicOAuthProvider(
         oauth_token="sk-ant-oat01-test-token",
-        default_model="claude-sonnet-4-5",
+        default_model="claude-sonnet-4-6",
     )
 
     mock_response = MagicMock()
@@ -48,7 +48,7 @@ async def test_provider_retries_normal_429():
 
     provider = AnthropicOAuthProvider(
         oauth_token="sk-ant-oat01-test-token",
-        default_model="claude-sonnet-4-5",
+        default_model="claude-sonnet-4-6",
     )
 
     rate_limit_response = MagicMock()
diff --git a/tests/test_mem0_extract_facts.py b/tests/test_mem0_extract_facts.py
index 5a8b875..4119114 100644
--- a/tests/test_mem0_extract_facts.py
+++ b/tests/test_mem0_extract_facts.py
@@ -52,7 +52,7 @@ async def test_extract_facts_passes_thinking_budget_zero(mock_provider):
         {"role": "assistant", "content": "That's great! Python is versatile."},
     ]
 
-    facts = await store.extract_facts(messages, mock_provider, "claude-sonnet-4-5")
+    facts = await store.extract_facts(messages, mock_provider, "claude-sonnet-4-6")
 
     # Verify provider.chat was called with thinking_budget=0
     mock_provider.chat.assert_called_once()
@@ -75,7 +75,7 @@ async def test_extract_facts_returns_parsed_facts(mock_provider):
         {"role": "user", "content": "I like Python programming"},
     ]
 
-    facts = await store.extract_facts(messages, mock_provider, "claude-sonnet-4-5")
+    facts = await store.extract_facts(messages, mock_provider, "claude-sonnet-4-6")
 
     assert facts == ["user likes Python", "user works on nanobot"]
 
@@ -99,7 +99,7 @@ async def test_extract_facts_handles_empty_response():
 
     messages = [{"role": "user", "content": "Hello there"}]
 
-    facts = await store.extract_facts(messages, provider, "claude-sonnet-4-5")
+    facts = await store.extract_facts(messages, provider, "claude-sonnet-4-6")
 
     assert facts == []
 
@@ -122,7 +122,7 @@ async def test_extract_facts_skips_empty_messages():
         {"role": "assistant", "content": ""},
     ]
 
-    facts = await store.extract_facts(messages, provider, "claude-sonnet-4-5")
+    facts = await store.extract_facts(messages, provider, "claude-sonnet-4-6")
 
     assert facts == []
     # Provider should not be called when there's no content
diff --git a/tests/test_oauth_identity_block.py b/tests/test_oauth_identity_block.py
index 98b17c7..d46f448 100644
--- a/tests/test_oauth_identity_block.py
+++ b/tests/test_oauth_identity_block.py
@@ -16,7 +16,7 @@ IDENTITY_TEXT = get_claude_code_system_prefix()
 def provider():
     return AnthropicOAuthProvider(
         oauth_token="sk-ant-oat01-test-token",
-        default_model="claude-opus-4-5",
+        default_model="claude-opus-4-7",
     )
 
 
diff --git a/tests/test_provider_factory.py b/tests/test_provider_factory.py
index 4d25979..6aabafe 100644
--- a/tests/test_provider_factory.py
+++ b/tests/test_provider_factory.py
@@ -9,7 +9,7 @@ def test_create_provider_oauth_token():
     """OAuth tokens should create AnthropicOAuthProvider."""
     provider = create_provider(
         api_key="sk-ant-oat01-test-token",
-        model="anthropic/claude-opus-4-5"
+        model="anthropic/claude-opus-4-7"
     )
     assert isinstance(provider, AnthropicOAuthProvider)
 
@@ -18,7 +18,7 @@ def test_create_provider_regular_key():
     """Regular API keys should create LiteLLMProvider."""
     provider = create_provider(
         api_key="sk-ant-api03-regular-key",
-        model="anthropic/claude-opus-4-5"
+        model="anthropic/claude-opus-4-7"
     )
     assert isinstance(provider, LiteLLMProvider)
 
@@ -27,6 +27,6 @@ def test_create_provider_openrouter():
     """OpenRouter keys should create LiteLLMProvider."""
     provider = create_provider(
         api_key="sk-or-v1-xxx",
-        model="anthropic/claude-opus-4-5"
+        model="anthropic/claude-opus-4-7"
     )
     assert isinstance(provider, LiteLLMProvider)
diff --git a/tests/test_registry_oauth.py b/tests/test_registry_oauth.py
index 30948d7..4f77ca2 100644
--- a/tests/test_registry_oauth.py
+++ b/tests/test_registry_oauth.py
@@ -5,14 +5,14 @@ from nanobot.providers.registry import should_use_oauth_provider
 
 def test_should_use_oauth_for_oat_token():
     """OAuth provider should be used for sk-ant-oat tokens."""
-    assert should_use_oauth_provider("sk-ant-oat01-xxx", "anthropic/claude-opus-4-5") is True
+    assert should_use_oauth_provider("sk-ant-oat01-xxx", "anthropic/claude-opus-4-7") is True
     assert should_use_oauth_provider("sk-ant-oat01-xxx", "claude-sonnet-4") is True
 
 
 def test_should_not_use_oauth_for_regular_key():
     """Regular API keys should not use OAuth provider."""
-    assert should_use_oauth_provider("sk-ant-api03-xxx", "claude-opus-4-5") is False
-    assert should_use_oauth_provider("sk-or-v1-xxx", "anthropic/claude-opus-4-5") is False
+    assert should_use_oauth_provider("sk-ant-api03-xxx", "claude-opus-4-7") is False
+    assert should_use_oauth_provider("sk-or-v1-xxx", "anthropic/claude-opus-4-7") is False
 
 
 def test_should_not_use_oauth_for_non_anthropic():