diff --git a/README.md b/README.md
index b79c039c..2c059e7d 100644
--- a/README.md
+++ b/README.md
@@ -346,6 +346,7 @@ You also can add a custom chat template to [template.py](src/llamafactory/data/t
 - [Magpie-ultra-v0.1 (en)](https://huggingface.co/datasets/argilla/magpie-ultra-v0.1)
 - [WebInstructSub (en)](https://huggingface.co/datasets/TIGER-Lab/WebInstructSub)
 - [OpenO1-SFT (en&zh)](https://huggingface.co/datasets/O1-OPEN/OpenO1-SFT)
+- [Open Thoughts (en)](https://huggingface.co/datasets/open-thoughts/OpenThoughts-114k)
 - [LLaVA mixed (en&zh)](https://huggingface.co/datasets/BUAADreamer/llava-en-zh-300k)
 - [Pokemon-gpt4o-captions (en&zh)](https://huggingface.co/datasets/jugg1024/pokemon-gpt4o-captions)
 - [Open Assistant (de)](https://huggingface.co/datasets/mayflowergmbh/oasst_de)
diff --git a/README_zh.md b/README_zh.md
index ae6a68dc..294f8ab5 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -348,6 +348,7 @@ https://github.com/user-attachments/assets/e6ce34b0-52d5-4f3e-a830-592106c4c272
 - [Magpie-ultra-v0.1 (en)](https://huggingface.co/datasets/argilla/magpie-ultra-v0.1)
 - [WebInstructSub (en)](https://huggingface.co/datasets/TIGER-Lab/WebInstructSub)
 - [OpenO1-SFT (en&zh)](https://huggingface.co/datasets/O1-OPEN/OpenO1-SFT)
+- [Open Thoughts (en)](https://huggingface.co/datasets/open-thoughts/OpenThoughts-114k)
 - [LLaVA mixed (en&zh)](https://huggingface.co/datasets/BUAADreamer/llava-en-zh-300k)
 - [Pokemon-gpt4o-captions (en&zh)](https://huggingface.co/datasets/jugg1024/pokemon-gpt4o-captions)
 - [Open Assistant (de)](https://huggingface.co/datasets/mayflowergmbh/oasst_de)
diff --git a/src/llamafactory/data/template.py b/src/llamafactory/data/template.py
index c1701a84..2a1d1cfd 100644
--- a/src/llamafactory/data/template.py
+++ b/src/llamafactory/data/template.py
@@ -47,6 +47,7 @@ class Template:
     format_prefix: "Formatter"
     default_system: str
     stop_words: List[str]
+    thought_words: Tuple[str, str]
     efficient_eos: bool
     replace_eos: bool
     replace_jinja_template: bool
@@ -216,6 +217,7 @@ def _register_template(
     format_prefix: Optional["Formatter"] = None,
     default_system: str = "",
     stop_words: Optional[Sequence[str]] = None,
+    thought_words: Optional[Tuple[str, str]] = None,
     efficient_eos: bool = False,
     replace_eos: bool = False,
     replace_jinja_template: bool = False,
@@ -260,6 +262,7 @@ def _register_template(
         format_prefix=format_prefix or default_prefix_formatter,
         default_system=default_system,
         stop_words=stop_words or [],
+        thought_words=thought_words or ("<think>", "</think>"),
         efficient_eos=efficient_eos,
         replace_eos=replace_eos,
         replace_jinja_template=replace_jinja_template,
diff --git a/src/llamafactory/webui/chatter.py b/src/llamafactory/webui/chatter.py
index 7863dee3..354b80ea 100644
--- a/src/llamafactory/webui/chatter.py
+++ b/src/llamafactory/webui/chatter.py
@@ -36,17 +36,17 @@ if is_gradio_available():
     import gradio as gr
 
 
-def _format_response(text: str, lang: str) -> str:
+def _format_response(text: str, lang: str, thought_words: Tuple[str, str] = ("<think>", "</think>")) -> str:
     r"""
     Post-processes the response text.
 
     Based on: https://huggingface.co/spaces/Lyte/DeepSeek-R1-Distill-Qwen-1.5B-Demo-GGUF/blob/main/app.py
     """
-    if "<think>" not in text:
+    if thought_words[0] not in text:
         return text
 
-    text = text.replace("<think>", "")
-    result = text.split("</think>", maxsplit=1)
+    text = text.replace(thought_words[0], "")
+    result = text.split(thought_words[1], maxsplit=1)
     if len(result) == 1:
         summary = ALERTS["info_thinking"][lang]
         thought, answer = text, ""
@@ -209,7 +209,7 @@ class WebChatModel(ChatModel):
                 bot_text = "```json\n" + tool_calls + "\n```"
             else:
                 output_messages = messages + [{"role": Role.ASSISTANT.value, "content": result}]
-                bot_text = _format_response(result, lang)
+                bot_text = _format_response(result, lang, self.engine.template.thought_words)
 
             chatbot[-1] = {"role": "assistant", "content": bot_text}
             yield chatbot, output_messages