diff --git a/open-sse/executors/agentrouter.js b/open-sse/executors/agentrouter.js
index 9941092fa3..8614a78b0c 100644
--- a/open-sse/executors/agentrouter.js
+++ b/open-sse/executors/agentrouter.js
@@ -94,7 +94,7 @@ export async function validateAgentRouterConnection(apiKey, fetchFn = fetch) {
       method: "POST",
       headers,
       body: JSON.stringify({
-        model: "claude-opus-4-7",
+        model: "claude-opus-4-8",
         max_tokens: 1,
         messages: [{ role: "user", content: "ping" }],
         stream: false
diff --git a/open-sse/providers/registry/agentrouter.js b/open-sse/providers/registry/agentrouter.js
index 0680b45aea..e2666b3bcc 100644
--- a/open-sse/providers/registry/agentrouter.js
+++ b/open-sse/providers/registry/agentrouter.js
@@ -45,10 +45,11 @@ export default {
   },
   models: [
     { id: "claude-opus-4-6", name: "Claude 4.6 Opus" },
-    { id: "claude-opus-4-7", name: "Claude 4.7 Opus" },
     { id: "claude-opus-4-8", name: "Claude 4.8 Opus" },
     { id: "glm-5.2", name: "GLM 5.2" },
     { id: "gpt-5.5", name: "GPT 5.5" },
+    { id: "gpt-5.6-sol", name: "GPT 5.6 Sol" },
+    { id: "kimi-k3", name: "Kimi K3" },
   ],
   passthroughModels: true,
 };
diff --git a/open-sse/providers/registry/nvidia.js b/open-sse/providers/registry/nvidia.js
index a718b6f9df..8f1f6e9023 100644
--- a/open-sse/providers/registry/nvidia.js
+++ b/open-sse/providers/registry/nvidia.js
@@ -23,16 +23,15 @@ export default {
   models: [
     { id: "minimaxai/minimax-m2.7", name: "MiniMax M2.7" },
     { id: "minimaxai/minimax-m3", name: "MiniMax M3" },
-    { id: "z-ai/glm-5.1", name: "GLM 5.1" },
     { id: "z-ai/glm-5.2", name: "GLM 5.2" },
     { id: "deepseek-ai/deepseek-v4-pro", name: "DeepSeek V4 Pro" },
     { id: "deepseek-ai/deepseek-v4-flash", name: "DeepSeek V4 Flash" },
-    { id: "moonshotai/kimi-k2.6", name: "Kimi K2.6" },
-    { id: "moonshotai/kimi-k2.6(none)", name: "Kimi K2.6 (No/Minimal Thinking)", upstreamModelId: "moonshotai/kimi-k2.6" },
-    { id: "moonshotai/kimi-k2.6(low)", name: "Kimi K2.6 (Low Thinking)", upstreamModelId: "moonshotai/kimi-k2.6" },
-    { id: "moonshotai/kimi-k2.6(medium)", name: "Kimi K2.6 (Medium Thinking)", upstreamModelId: "moonshotai/kimi-k2.6" },
-    { id: "moonshotai/kimi-k2.6(high)", name: "Kimi K2.6 (High Thinking)", upstreamModelId: "moonshotai/kimi-k2.6" },
+    { id: "openai/gpt-oss-120b", name: "GPT-OSS 120B" },
+    { id: "openai/gpt-oss-20b", name: "GPT-OSS 20B" },
+    { id: "meta/llama-4-maverick-17b-128e-instruct", name: "Llama 4 Maverick 17B" },
+    { id: "stepfun-ai/step-3.7-flash", name: "Step 3.7 Flash" },
     { id: "nvidia/nemotron-3-ultra-550b-a55b", name: "Nemotron 3 Ultra" },
+    { id: "nvidia/nemotron-3-super-120b-a12b", name: "Nemotron 3 Super 120B" },
     { id: "nvidia/nv-embedqa-e5-v5", name: "NV EmbedQA E5 v5", kind: "embedding" },
   ],
   serviceKinds: ["llm","embedding"],
diff --git a/src/app/api/providers/validate/route.js b/src/app/api/providers/validate/route.js
index 23f9c4041a..ab65fe7850 100644
--- a/src/app/api/providers/validate/route.js
+++ b/src/app/api/providers/validate/route.js
@@ -305,8 +305,7 @@ export async function POST(request) {
         case "minimax-cn":
         case "alicode-intl":
         case "alims-intl":
-        case "alicode":
-        case "agentrouter": {
+        case "alicode": {
           // Use baseUrl from PROVIDERS (DRY); separate openai-format vs claude-format flow
           const cfg = PROVIDERS[provider];
           const isOpenAiFormat = provider === "glm-cn" || provider === "alicode" || provider === "alicode-intl" || provider === "alims-intl";
diff --git a/src/shared/constants/suggestedModels.js b/src/shared/constants/suggestedModels.js
index f68f8fee0e..7d75d5c701 100644
--- a/src/shared/constants/suggestedModels.js
+++ b/src/shared/constants/suggestedModels.js
@@ -4,20 +4,21 @@
 //
 // Keyed by providerId. Each entry: { id, name }.
 // NVIDIA NIM: all listed models are free for NVIDIA Developer Program members
-// (prototyping/testing). The list below was verified reachable against
-// integrate.api.nvidia.com — fast, good-quality general/coding models.
+// (prototyping/testing). Verified callable against integrate.api.nvidia.com
+// (in the /v1/models catalog AND returning 200 on a real completion) — models
+// that are catalog-listed but 404 "not found for account" (e.g. kimi-k2.6,
+// qwen3.5-397b) or EOL/410 (e.g. glm-5.1) are intentionally excluded.
 export const SUGGESTED_MODELS = {
   nvidia: [
-    { id: "z-ai/glm-5.1", name: "GLM 5.1" },
-    { id: "moonshotai/kimi-k2.6", name: "Kimi K2.6" },
-    { id: "qwen/qwen3.5-397b-a17b", name: "Qwen3.5 397B A17B" },
-    { id: "qwen/qwen3.5-122b-a10b", name: "Qwen3.5 122B A10B" },
+    { id: "z-ai/glm-5.2", name: "GLM 5.2" },
+    { id: "deepseek-ai/deepseek-v4-pro", name: "DeepSeek V4 Pro" },
+    { id: "deepseek-ai/deepseek-v4-flash", name: "DeepSeek V4 Flash" },
+    { id: "minimaxai/minimax-m3", name: "MiniMax M3" },
     { id: "qwen/qwen3-next-80b-a3b-instruct", name: "Qwen3 Next 80B A3B" },
     { id: "openai/gpt-oss-120b", name: "GPT-OSS 120B" },
     { id: "openai/gpt-oss-20b", name: "GPT-OSS 20B" },
     { id: "meta/llama-4-maverick-17b-128e-instruct", name: "Llama 4 Maverick 17B" },
-    { id: "meta/llama-3.3-70b-instruct", name: "Llama 3.3 70B" },
-    { id: "mistralai/mistral-large-3-675b-instruct-2512", name: "Mistral Large 3 675B" },
+    { id: "nvidia/nemotron-3-super-120b-a12b", name: "Nemotron 3 Super 120B" },
     { id: "nvidia/llama-3.3-nemotron-super-49b-v1.5", name: "Nemotron Super 49B v1.5" },
     { id: "stepfun-ai/step-3.7-flash", name: "Step 3.7 Flash" },
   ],