diff --git a/nanobot/config/schema.py b/nanobot/config/schema.py
index 8b8a0a297..c8556ec9f 100644
--- a/nanobot/config/schema.py
+++ b/nanobot/config/schema.py
@@ -93,8 +93,8 @@ class ModelPresetConfig(Base):
 
     model: str
     provider: str = "auto"
-    max_tokens: int = 32_000
-    context_window_tokens: int = 262_144
+    max_tokens: int = 8192
+    context_window_tokens: int = 65_536
     temperature: float = 0.1
     reasoning_effort: str | None = None
 
@@ -116,8 +116,8 @@ class AgentDefaults(Base):
     provider: str = (
         "auto"  # Provider name (e.g. "anthropic", "openrouter") or "auto" for auto-detection
     )
-    max_tokens: int = 32_000
-    context_window_tokens: int = 262_144
+    max_tokens: int = 8192
+    context_window_tokens: int = 65_536
     context_block_limit: int | None = None
     temperature: float = 0.1
     fallback_models: list[FallbackCandidate] = Field(default_factory=list)
diff --git a/tests/cli/test_restart_command.py b/tests/cli/test_restart_command.py
index 9748ff55c..f61e18923 100644
--- a/tests/cli/test_restart_command.py
+++ b/tests/cli/test_restart_command.py
@@ -176,7 +176,7 @@ class TestRestartCommand:
         assert response is not None
         assert "Model: test-model" in response.content
         assert "Tokens: 0 in / 0 out" in response.content
-        assert "Context: 20k/262k (7% of input budget)" in response.content
+        assert "Context: 20k/65k (31% of input budget)" in response.content
         assert "Session: 3 messages" in response.content
         assert "Uptime: 2m 5s" in response.content
         assert "Tasks: 0 active" in response.content
@@ -240,7 +240,7 @@ class TestRestartCommand:
 
         assert response is not None
         assert "Tokens: 1200 in / 34 out" in response.content
-        assert "Context: 1k/262k (0% of input budget)" in response.content
+        assert "Context: 1k/65k (1% of input budget)" in response.content
         assert "Tasks: 0 active" in response.content
 
     @pytest.mark.asyncio
diff --git a/tests/config/test_config_migration.py b/tests/config/test_config_migration.py
index 9e28ff660..b27926ec0 100644
--- a/tests/config/test_config_migration.py
+++ b/tests/config/test_config_migration.py
@@ -34,7 +34,7 @@ def test_load_config_keeps_max_tokens_and_ignores_legacy_memory_window(tmp_path)
     config = load_config(config_path)
 
     assert config.agents.defaults.max_tokens == 1234
-    assert config.agents.defaults.context_window_tokens == 262_144
+    assert config.agents.defaults.context_window_tokens == 65_536
     assert not hasattr(config.agents.defaults, "memory_window")
 
 
@@ -60,7 +60,7 @@ def test_save_config_writes_context_window_tokens_but_not_memory_window(tmp_path
     defaults = saved["agents"]["defaults"]
 
     assert defaults["maxTokens"] == 2222
-    assert defaults["contextWindowTokens"] == 262_144
+    assert defaults["contextWindowTokens"] == 65_536
     assert "memoryWindow" not in defaults