diff --git a/litellm/proxy/public_endpoints/autorouter_presets.json b/litellm/proxy/public_endpoints/autorouter_presets.json
index 6a6642d4211..7d09db31127 100644
--- a/litellm/proxy/public_endpoints/autorouter_presets.json
+++ b/litellm/proxy/public_endpoints/autorouter_presets.json
@@ -1,12 +1,12 @@
 {
   "1m_context": {
     "label": "1M Context",
-    "description": "Routes across models with 1M-token context windows: Luna for simple queries, Terra for medium, Opus 5 for complex, Opus 5 at high thinking for reasoning.",
+    "description": "Routes across models with 1M-token context windows: Luna for simple queries, Terra for medium, Sol for complex, Opus 5 at high thinking for reasoning.",
     "complexity_router_config": {
       "tiers": {
         "SIMPLE": ["gpt-5.6-luna"],
         "MEDIUM": ["gpt-5.6-terra"],
-        "COMPLEX": ["claude-opus-5"],
+        "COMPLEX": ["gpt-5.6-sol"],
         "REASONING": ["claude-opus-5"]
       },
       "tier_model_configs": {
diff --git a/tests/test_litellm/proxy/public_endpoints/test_public_endpoints.py b/tests/test_litellm/proxy/public_endpoints/test_public_endpoints.py
index 41439f28638..4a19ad3541c 100644
--- a/tests/test_litellm/proxy/public_endpoints/test_public_endpoints.py
+++ b/tests/test_litellm/proxy/public_endpoints/test_public_endpoints.py
@@ -1108,7 +1108,7 @@ def test_get_autorouter_presets_local_mode_serves_bundled_catalog(
     assert payload["1m_context"]["complexity_router_config"]["tiers"] == {
         "SIMPLE": ["gpt-5.6-luna"],
         "MEDIUM": ["gpt-5.6-terra"],
-        "COMPLEX": ["claude-opus-5"],
+        "COMPLEX": ["gpt-5.6-sol"],
         "REASONING": ["claude-opus-5"],
     }
     assert payload["1m_context"]["complexity_router_config"]["tier_model_configs"] == {
diff --git a/ui/litellm-dashboard/src/lib/autorouter_presets.test.ts b/ui/litellm-dashboard/src/lib/autorouter_presets.test.ts
index ffede7b2a6b..344964c4434 100644
--- a/ui/litellm-dashboard/src/lib/autorouter_presets.test.ts
+++ b/ui/litellm-dashboard/src/lib/autorouter_presets.test.ts
@@ -217,12 +217,12 @@ describe("autorouter_presets", () => {
     });
   });
 
-  it("pins the 1M context preset to Luna, Terra, and Opus at high thinking", () => {
+  it("pins the 1M context preset to Luna, Terra, Sol, and Opus at high thinking", () => {
     const preset = getPresetByKey("1m_context")!;
     const expectedTiers = {
       SIMPLE: ["gpt-5.6-luna"],
       MEDIUM: ["gpt-5.6-terra"],
-      COMPLEX: ["claude-opus-5"],
+      COMPLEX: ["gpt-5.6-sol"],
       REASONING: ["claude-opus-5"],
     };
     expect(preset.complexity_router_config.classifier_type).toBe("heuristic_v2");