diff --git a/codeagent-wrapper/agent_config.go b/codeagent-wrapper/agent_config.go
index b60b79a..72f9b57 100644
--- a/codeagent-wrapper/agent_config.go
+++ b/codeagent-wrapper/agent_config.go
@@ -26,8 +26,8 @@ var defaultModelsConfig = ModelsConfig{
 	DefaultBackend: "opencode",
 	DefaultModel:   "opencode/grok-code",
 	Agents: map[string]AgentModelConfig{
-			"oracle":                  {Backend: "claude", Model: "claude-sonnet-4-20250514", PromptFile: "~/.claude/skills/omo/references/oracle.md", Description: "Technical advisor"},
-			"librarian":               {Backend: "claude", Model: "claude-sonnet-4-5-20250514", PromptFile: "~/.claude/skills/omo/references/librarian.md", Description: "Researcher"},
+			"oracle":                  {Backend: "claude", Model: "claude-opus-4-5-20251101", PromptFile: "~/.claude/skills/omo/references/oracle.md", Description: "Technical advisor"},
+			"librarian":               {Backend: "claude", Model: "claude-sonnet-4-5-20250929", PromptFile: "~/.claude/skills/omo/references/librarian.md", Description: "Researcher"},
 			"explore":                 {Backend: "opencode", Model: "opencode/grok-code", PromptFile: "~/.claude/skills/omo/references/explore.md", Description: "Code search"},
 			"develop":                 {Backend: "codex", Model: "", PromptFile: "~/.claude/skills/omo/references/develop.md", Description: "Code development"},
 			"frontend-ui-ux-engineer": {Backend: "gemini", Model: "", PromptFile: "~/.claude/skills/omo/references/frontend-ui-ux-engineer.md", Description: "Frontend engineer"},
diff --git a/codeagent-wrapper/agent_config_test.go b/codeagent-wrapper/agent_config_test.go
index 106566b..0a8e9ad 100644
--- a/codeagent-wrapper/agent_config_test.go
+++ b/codeagent-wrapper/agent_config_test.go
@@ -19,8 +19,8 @@ func TestResolveAgentConfig_Defaults(t *testing.T) {
 		wantModel      string
 		wantPromptFile string
 	}{
-			{"oracle", "claude", "claude-sonnet-4-20250514", "~/.claude/skills/omo/references/oracle.md"},
-			{"librarian", "claude", "claude-sonnet-4-5-20250514", "~/.claude/skills/omo/references/librarian.md"},
+			{"oracle", "claude", "claude-opus-4-5-20251101", "~/.claude/skills/omo/references/oracle.md"},
+			{"librarian", "claude", "claude-sonnet-4-5-20250929", "~/.claude/skills/omo/references/librarian.md"},
 			{"explore", "opencode", "opencode/grok-code", "~/.claude/skills/omo/references/explore.md"},
 			{"frontend-ui-ux-engineer", "gemini", "", "~/.claude/skills/omo/references/frontend-ui-ux-engineer.md"},
 			{"document-writer", "gemini", "", "~/.claude/skills/omo/references/document-writer.md"},