From 8726d30cb2273bc4eaffd95317291e0f81e35b3b Mon Sep 17 00:00:00 2001
From: Simo Lin <linsimo.mark@gmail.com>
Date: Thu, 8 Jan 2026 16:29:24 -0800
Subject: [PATCH] [smg] Add Nemotron Nano V3 reasoning parser support (#16763)

---
 sgl-model-gateway/src/reasoning_parser/factory.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sgl-model-gateway/src/reasoning_parser/factory.rs b/sgl-model-gateway/src/reasoning_parser/factory.rs
index 5269454ff..6053c7e57 100644
--- a/sgl-model-gateway/src/reasoning_parser/factory.rs
+++ b/sgl-model-gateway/src/reasoning_parser/factory.rs
@@ -206,6 +206,10 @@ impl ParserFactory {
         registry.register_pattern("minimax-m2", "minimax");
         registry.register_pattern("mm-m2", "minimax");
 
+        // Nano V3 uses same format as Qwen3 (requires explicit <think> token)
+        registry.register_pattern("nemotron-nano", "qwen3");
+        registry.register_pattern("nano-v3", "qwen3");
+
         Self { registry }
     }