diff --git a/backend/internal/pkg/antigravity/claude_types.go b/backend/internal/pkg/antigravity/claude_types.go
index 0f9191dc..1b94dad5 100644
--- a/backend/internal/pkg/antigravity/claude_types.go
+++ b/backend/internal/pkg/antigravity/claude_types.go
@@ -151,6 +151,8 @@ var claudeModels = []modelDef{
 	{ID: "claude-opus-4-5-thinking", DisplayName: "Claude Opus 4.5 Thinking", CreatedAt: "2025-11-01T00:00:00Z"},
 	{ID: "claude-sonnet-4-5", DisplayName: "Claude Sonnet 4.5", CreatedAt: "2025-09-29T00:00:00Z"},
 	{ID: "claude-sonnet-4-5-thinking", DisplayName: "Claude Sonnet 4.5 Thinking", CreatedAt: "2025-09-29T00:00:00Z"},
+	{ID: "claude-opus-4-6", DisplayName: "Claude Opus 4.6", CreatedAt: "2026-02-05T00:00:00Z"},
+	{ID: "claude-sonnet-4-6", DisplayName: "Claude Sonnet 4.6", CreatedAt: "2026-02-17T00:00:00Z"},
 }
 
 // Antigravity 支持的 Gemini 模型