diff --git a/.env.example b/.env.example
index d90f8d07..e0d6daed 100644
--- a/.env.example
+++ b/.env.example
@@ -78,7 +78,7 @@ CEREBRAS_API_KEY=              # Cerebras API key (cloud.cerebras.ai). Use with
 GOOGLE_API_KEY=                # Google AI API key (aistudio.google.com). Use with model: google_genai:gemini-2.5-flash
 MAX_TOKENS=2048                # Max output tokens for OpenRouter requests (default: 2048)
 LANGGRAPH_RECURSION_LIMIT=500  # LangGraph/DeepAgents max ReAct steps per turn (lib default: 25; raised to 500 — PM fan-out to 6+ reports + synthesis routinely exceeds 100)
-MODEL_PROVIDER=anthropic:claude-sonnet-4-6   # Format: provider:model. Providers: anthropic, openai, openrouter, groq, cerebras, google_genai, ollama
+MODEL_PROVIDER=anthropic:claude-opus-4-7    # Format: provider:model. Providers: anthropic, openai, openrouter, groq, cerebras, google_genai, ollama
 
 # ---- Workspace tier resource limits (issue #14) ----
 # Per-tier memory/CPU caps applied to each workspace Docker container.
diff --git a/infra/litellm_config.yml b/infra/litellm_config.yml
index 998daf3f..d14499dd 100644
--- a/infra/litellm_config.yml
+++ b/infra/litellm_config.yml
@@ -30,6 +30,11 @@ model_list:
       model: anthropic/claude-sonnet-4-6
       api_key: ${ANTHROPIC_API_KEY}
 
+  - model_name: claude-opus-4-7
+    litellm_params:
+      model: anthropic/claude-opus-4-7
+      api_key: ${ANTHROPIC_API_KEY}
+
   # ── OpenAI ─────────────────────────────────────────────────────────────────
   - model_name: gpt-4o
     litellm_params:
diff --git a/platform/internal/handlers/org.go b/platform/internal/handlers/org.go
index d74ab01f..7d2c54d0 100644
--- a/platform/internal/handlers/org.go
+++ b/platform/internal/handlers/org.go
@@ -338,7 +338,7 @@ func (h *OrgHandler) createWorkspaceTree(ws OrgWorkspace, parentID *string, defa
 		if runtime == "claude-code" {
 			model = "sonnet"
 		} else {
-			model = "anthropic:claude-sonnet-4-6"
+			model = "anthropic:claude-opus-4-7"
 		}
 	}
 	tier := ws.Tier
diff --git a/platform/internal/handlers/org_test.go b/platform/internal/handlers/org_test.go
index 556f1611..7af674b2 100644
--- a/platform/internal/handlers/org_test.go
+++ b/platform/internal/handlers/org_test.go
@@ -192,7 +192,7 @@ func TestOrgDefaults_Model_FallbackClaudeCode(t *testing.T) {
 		if runtime == "claude-code" {
 			model = "sonnet"
 		} else {
-			model = "anthropic:claude-sonnet-4-6"
+			model = "anthropic:claude-opus-4-7"
 		}
 	}
 	if model != "sonnet" {
@@ -214,11 +214,11 @@ func TestOrgDefaults_Model_FallbackDeepAgents(t *testing.T) {
 		if runtime == "claude-code" {
 			model = "sonnet"
 		} else {
-			model = "anthropic:claude-sonnet-4-6"
+			model = "anthropic:claude-opus-4-7"
 		}
 	}
-	if model != "anthropic:claude-sonnet-4-6" {
-		t.Errorf("deepagents with empty model should get 'anthropic:claude-sonnet-4-6', got %q", model)
+	if model != "anthropic:claude-opus-4-7" {
+		t.Errorf("deepagents with empty model should get 'anthropic:claude-opus-4-7', got %q", model)
 	}
 }
 
@@ -230,11 +230,11 @@ func TestOrgDefaults_Model_FallbackLangGraph(t *testing.T) {
 		if runtime == "claude-code" {
 			model = "sonnet"
 		} else {
-			model = "anthropic:claude-sonnet-4-6"
+			model = "anthropic:claude-opus-4-7"
 		}
 	}
-	if model != "anthropic:claude-sonnet-4-6" {
-		t.Errorf("langgraph with empty model should get 'anthropic:claude-sonnet-4-6', got %q", model)
+	if model != "anthropic:claude-opus-4-7" {
+		t.Errorf("langgraph with empty model should get 'anthropic:claude-opus-4-7', got %q", model)
 	}
 }
 
diff --git a/platform/internal/handlers/workspace_provision.go b/platform/internal/handlers/workspace_provision.go
index b7cea43d..b5d5ef97 100644
--- a/platform/internal/handlers/workspace_provision.go
+++ b/platform/internal/handlers/workspace_provision.go
@@ -417,7 +417,7 @@ func (h *WorkspaceHandler) ensureDefaultConfig(workspaceID string, payload model
 		if runtime == "claude-code" {
 			model = "sonnet"
 		} else {
-			model = "anthropic:claude-sonnet-4-6"
+			model = "anthropic:claude-opus-4-7"
 		}
 	}
 
diff --git a/platform/internal/handlers/workspace_provision_test.go b/platform/internal/handlers/workspace_provision_test.go
index b9ef372f..3dafa96f 100644
--- a/platform/internal/handlers/workspace_provision_test.go
+++ b/platform/internal/handlers/workspace_provision_test.go
@@ -215,7 +215,7 @@ func TestEnsureDefaultConfig_LangGraph(t *testing.T) {
 	if !contains(content, "tier: 1") {
 		t.Errorf("config.yaml missing tier, got:\n%s", content)
 	}
-	if !contains(content, `model: "anthropic:claude-sonnet-4-6"`) {
+	if !contains(content, `model: "anthropic:claude-opus-4-7"`) {
 		t.Errorf("config.yaml should use default langgraph model, got:\n%s", content)
 	}
 }
@@ -354,7 +354,7 @@ func TestEnsureDefaultConfig_EmptyRuntimeDefaultsToLangGraph(t *testing.T) {
 	if !contains(configYAML, "runtime: langgraph") {
 		t.Errorf("empty runtime should default to langgraph, got:\n%s", configYAML)
 	}
-	if !contains(configYAML, `model: "anthropic:claude-sonnet-4-6"`) {
+	if !contains(configYAML, `model: "anthropic:claude-opus-4-7"`) {
 		t.Errorf("langgraph default model should be anthropic (quoted), got:\n%s", configYAML)
 	}
 }
diff --git a/workspace-template/config.py b/workspace-template/config.py
index beeebb18..12408524 100644
--- a/workspace-template/config.py
+++ b/workspace-template/config.py
@@ -197,7 +197,7 @@ class WorkspaceConfig:
     description: str = ""
     version: str = "1.0.0"
     tier: int = 1
-    model: str = "anthropic:claude-sonnet-4-6"
+    model: str = "anthropic:claude-opus-4-7"
     runtime: str = "langgraph"  # langgraph | claude-code | codex | ollama | custom
     runtime_config: RuntimeConfig = field(default_factory=RuntimeConfig)
     initial_prompt: str = ""
@@ -251,7 +251,7 @@ def load_config(config_path: Optional[str] = None) -> WorkspaceConfig:
         raw = yaml.safe_load(f) or {}
 
     # Override model from env if provided
-    model = os.environ.get("MODEL_PROVIDER", raw.get("model", "anthropic:claude-sonnet-4-6"))
+    model = os.environ.get("MODEL_PROVIDER", raw.get("model", "anthropic:claude-opus-4-7"))
 
     runtime = raw.get("runtime", "langgraph")
     runtime_raw = raw.get("runtime_config", {})
diff --git a/workspace-template/tests/test_config.py b/workspace-template/tests/test_config.py
index fce8761e..786bc8b7 100644
--- a/workspace-template/tests/test_config.py
+++ b/workspace-template/tests/test_config.py
@@ -52,7 +52,7 @@ def test_load_config_defaults(tmp_path):
     assert cfg.description == ""
     assert cfg.version == "1.0.0"
     assert cfg.tier == 1
-    assert cfg.model == "anthropic:claude-sonnet-4-6"
+    assert cfg.model == "anthropic:claude-opus-4-7"
     assert cfg.skills == []
     assert cfg.tools == []
     assert cfg.prompt_files == []