diff --git a/gpttype_adapter.cpp b/gpttype_adapter.cpp
index 9840e5c4a..6098f6eab 100644
--- a/gpttype_adapter.cpp
+++ b/gpttype_adapter.cpp
@@ -5859,6 +5859,11 @@ generation_outputs gpttype_generate(const generation_inputs inputs)
                 end = "<|END_THINKING|>";
                  budget_exceeded = "\n(Reasoning budget exceeded)\nTime to respond now.\n<|END_THINKING|>";
                 break;
+            case llm_arch::LLM_ARCH_MISTRAL3:
+                start = "[THINK]";
+                end = "[/THINK]";
+                budget_exceeded = "\n(Reasoning budget exceeded)\nTime to respond now.\n[/THINK]";
+                break;
             default:
                 break;
         }
diff --git a/koboldcpp.py b/koboldcpp.py
index 9ac7aba1c..fd3f967a1 100644
--- a/koboldcpp.py
+++ b/koboldcpp.py
@@ -186,7 +186,8 @@ thinkformats = [{"start":"<|channel|>analysis<|message|>","end":"<|start|>assist
                 {"start":"<think>","end":"</think>"},
                 {"start":"<seed:think>","end":"</seed:think>"},
                 {"start":"<|START_THINKING|>","end":"<|END_THINKING|>"},
-                {"start":"<|channel>thought","end":"<channel|>"}]
+                {"start":"<|channel>thought","end":"<channel|>"},
+                {"start":"[THINK]","end":"[/THINK]"}]
 tool_call_pairs = [ #third element is optional str to match in chat template before we use this pair, fourth element is whether its stream-handleable
     ("<tool_call>", "</tool_call>", None, True), #qwen, glm
     ("<seed:tool_call>", "</seed:tool_call>", None, True), #seed oss