diff --git a/unsloth/chat_templates.py b/unsloth/chat_templates.py
index 10b6807e32..fc86166fa0 100644
--- a/unsloth/chat_templates.py
+++ b/unsloth/chat_templates.py
@@ -1799,6 +1799,250 @@ CHAT_TEMPLATES["gptoss"] = (gptoss_template, gptoss_template_template_eos_token,
DEFAULT_SYSTEM_MESSAGE["gptoss"] = None # No system message in GPT-oss
pass
+# =========================================== Qwen3-Instruct
+qwen3_instruct_template = \
+'''{%- if tools %}
+ {{- '<|im_start|>system\\n' }}
+ {%- if messages[0].role == 'system' %}
+ {{- messages[0].content + '\\n\\n' }}
+ {%- endif %}
+ {{- "# Tools\\n\\nYou may call one or more functions to assist with the user query.\\n\\nYou are provided with function signatures within XML tags:\\n" }}
+ {%- for tool in tools %}
+ {{- "\\n" }}
+ {{- tool | tojson }}
+ {%- endfor %}
+ {{- "\\n\\n\\nFor each function call, return a json object with function name and arguments within XML tags:\\n\\n{\\"name\\": , \\"arguments\\": }\\n<|im_end|>\\n" }}
+{%- else %}
+ {%- if messages[0].role == 'system' %}
+ {{- '<|im_start|>system\\n' + messages[0].content + '<|im_end|>\\n' }}
+ {%- endif %}
+{%- endif %}
+{%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %}
+{%- for message in messages[::-1] %}
+ {%- set index = (messages|length - 1) - loop.index0 %}
+ {%- if ns.multi_step_tool and message.role == "user" and message.content is string and not(message.content.startswith('') and message.content.endswith('')) %}
+ {%- set ns.multi_step_tool = false %}
+ {%- set ns.last_query_index = index %}
+ {%- endif %}
+{%- endfor %}
+{%- for message in messages %}
+ {%- if message.content is string %}
+ {%- set content = message.content %}
+ {%- else %}
+ {%- set content = '' %}
+ {%- endif %}
+ {%- if (message.role == "user") or (message.role == "system" and not loop.first) %}
+ {{- '<|im_start|>' + message.role + '\\n' + content + '<|im_end|>' + '\\n' }}
+ {%- elif message.role == "assistant" %}
+ {%- set reasoning_content = '' %}
+ {%- if message.reasoning_content is string %}
+ {%- set reasoning_content = message.reasoning_content %}
+ {%- else %}
+ {%- if '' in content %}
+ {%- set reasoning_content = content.split('')[0].rstrip('\\n').split('')[-1].lstrip('\\n') %}
+ {%- set content = content.split('')[-1].lstrip('\\n') %}
+ {%- endif %}
+ {%- endif %}
+ {%- if loop.index0 > ns.last_query_index %}
+ {%- if reasoning_content %}
+ {{- '<|im_start|>' + message.role + '\\n\\n' + reasoning_content.strip('\\n') + '\\n\\n\\n' + content.lstrip('\\n') }}
+ {%- else %}
+ {{- '<|im_start|>' + message.role + '\\n' + content }}
+ {%- endif %}
+ {%- else %}
+ {{- '<|im_start|>' + message.role + '\\n' + content }}
+ {%- endif %}
+ {%- if message.tool_calls %}
+ {%- for tool_call in message.tool_calls %}
+ {%- if (loop.first and content) or (not loop.first) %}
+ {{- '\\n' }}
+ {%- endif %}
+ {%- if tool_call.function %}
+ {%- set tool_call = tool_call.function %}
+ {%- endif %}
+ {{- '\\n{"name": "' }}
+ {{- tool_call.name }}
+ {{- '", "arguments": ' }}
+ {%- if tool_call.arguments is string %}
+ {{- tool_call.arguments }}
+ {%- else %}
+ {{- tool_call.arguments | tojson }}
+ {%- endif %}
+ {{- '}\\n' }}
+ {%- endfor %}
+ {%- endif %}
+ {{- '<|im_end|>\\n' }}
+ {%- elif message.role == "tool" %}
+ {%- if loop.first or (messages[loop.index0 - 1].role != "tool") %}
+ {{- '<|im_start|>user' }}
+ {%- endif %}
+ {{- '\\n\\n' }}
+ {{- content }}
+ {{- '\\n' }}
+ {%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
+ {{- '<|im_end|>\\n' }}
+ {%- endif %}
+ {%- endif %}
+{%- endfor %}
+{%- if add_generation_prompt %}
+ {{- '<|im_start|>assistant\\n' }}
+{%- endif %}'''
+
+# Ollama from https://ollama.com/library/qwen3/blobs/53e4ea15e8f5
+qwen3_ollama = \
+'''
+
+{{- $lastUserIdx := -1 -}}
+{{- range $idx, $msg := .Messages -}}
+{{- if eq $msg.Role "user" }}{{ $lastUserIdx = $idx }}{{ end -}}
+{{- end }}
+{{- if or .System .Tools }}<|im_start|>system
+{{ if .System }}
+{{ .System }}
+{{- end }}
+{{- if .Tools }}
+
+# Tools
+
+You may call one or more functions to assist with the user query.
+
+You are provided with function signatures within XML tags:
+
+{{- range .Tools }}
+{"type": "function", "function": {{ .Function }}}
+{{- end }}
+
+
+For each function call, return a json object with function name and arguments within XML tags:
+
+{"name": , "arguments": }
+
+{{- end -}}
+<|im_end|>
+{{ end }}
+{{- range $i, $_ := .Messages }}
+{{- $last := eq (len (slice $.Messages $i)) 1 -}}
+{{- if eq .Role "user" }}<|im_start|>user
+{{ .Content }}<|im_end|>
+{{ else if eq .Role "assistant" }}<|im_start|>assistant
+{{ if (and $.IsThinkSet (and .Thinking (or $last (gt $i $lastUserIdx)))) -}}
+{{ .Thinking }}
+{{ end -}}
+{{ if .Content }}{{ .Content }}
+{{- else if .ToolCalls }}
+{{ range .ToolCalls }}{"name": "{{ .Function.Name }}", "arguments": {{ .Function.Arguments }}}
+{{ end }}
+{{- end }}{{ if not $last }}<|im_end|>
+{{ end }}
+{{- else if eq .Role "tool" }}<|im_start|>user
+
+{{ .Content }}
+<|im_end|>
+{{ end }}
+{{- if and (ne .Role "assistant") $last }}<|im_start|>assistant
+{{ end }}
+{{- end }}
+'''
+
+qwen3_template_eos_token = "<|im_end|>"
+CHAT_TEMPLATES["qwen3-instruct"] = (qwen3_instruct_template, qwen3_template_eos_token, False, qwen3_ollama,)
+DEFAULT_SYSTEM_MESSAGE["qwen3-instruct"] = None # No system message in Qwen3
+
+pass
+
+# =========================================== Qwen3-Thinking
+qwen3_thinking_template = \
+'''{%- if tools %}
+ {{- '<|im_start|>system\\n' }}
+ {%- if messages[0].role == 'system' %}
+ {{- messages[0].content + '\\n\\n' }}
+ {%- endif %}
+ {{- "# Tools\\n\\nYou may call one or more functions to assist with the user query.\\n\\nYou are provided with function signatures within XML tags:\\n" }}
+ {%- for tool in tools %}
+ {{- "\\n" }}
+ {{- tool | tojson }}
+ {%- endfor %}
+ {{- "\\n\\n\\nFor each function call, return a json object with function name and arguments within XML tags:\\n\\n{\\"name\\": , \\"arguments\\": }\\n<|im_end|>\\n" }}
+{%- else %}
+ {%- if messages[0].role == 'system' %}
+ {{- '<|im_start|>system\\n' + messages[0].content + '<|im_end|>\\n' }}
+ {%- endif %}
+{%- endif %}
+{%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %}
+{%- for message in messages[::-1] %}
+ {%- set index = (messages|length - 1) - loop.index0 %}
+ {%- if ns.multi_step_tool and message.role == "user" and message.content is string and not(message.content.startswith('') and message.content.endswith('')) %}
+ {%- set ns.multi_step_tool = false %}
+ {%- set ns.last_query_index = index %}
+ {%- endif %}
+{%- endfor %}
+{%- for message in messages %}
+ {%- if message.content is string %}
+ {%- set content = message.content %}
+ {%- else %}
+ {%- set content = '' %}
+ {%- endif %}
+ {%- if (message.role == "user") or (message.role == "system" and not loop.first) %}
+ {{- '<|im_start|>' + message.role + '\\n' + content + '<|im_end|>' + '\\n' }}
+ {%- elif message.role == "assistant" %}
+ {%- set reasoning_content = '' %}
+ {%- if message.reasoning_content is string %}
+ {%- set reasoning_content = message.reasoning_content %}
+ {%- else %}
+ {%- if '' in content %}
+ {%- set reasoning_content = content.split('')[0].rstrip('\\n').split('')[-1].lstrip('\\n') %}
+ {%- set content = content.split('')[-1].lstrip('\\n') %}
+ {%- endif %}
+ {%- endif %}
+ {%- if loop.index0 > ns.last_query_index %}
+ {%- if loop.last or (not loop.last and reasoning_content) %}
+ {{- '<|im_start|>' + message.role + '\\n\\n' + reasoning_content.strip('\\n') + '\\n\\n\\n' + content.lstrip('\\n') }}
+ {%- else %}
+ {{- '<|im_start|>' + message.role + '\\n' + content }}
+ {%- endif %}
+ {%- else %}
+ {{- '<|im_start|>' + message.role + '\\n' + content }}
+ {%- endif %}
+ {%- if message.tool_calls %}
+ {%- for tool_call in message.tool_calls %}
+ {%- if (loop.first and content) or (not loop.first) %}
+ {{- '\\n' }}
+ {%- endif %}
+ {%- if tool_call.function %}
+ {%- set tool_call = tool_call.function %}
+ {%- endif %}
+ {{- '\\n{"name": "' }}
+ {{- tool_call.name }}
+ {{- '", "arguments": ' }}
+ {%- if tool_call.arguments is string %}
+ {{- tool_call.arguments }}
+ {%- else %}
+ {{- tool_call.arguments | tojson }}
+ {%- endif %}
+ {{- '}\\n' }}
+ {%- endfor %}
+ {%- endif %}
+ {{- '<|im_end|>\\n' }}
+ {%- elif message.role == "tool" %}
+ {%- if loop.first or (messages[loop.index0 - 1].role != "tool") %}
+ {{- '<|im_start|>user' }}
+ {%- endif %}
+ {{- '\\n\\n' }}
+ {{- content }}
+ {{- '\\n' }}
+ {%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
+ {{- '<|im_end|>\\n' }}
+ {%- endif %}
+ {%- endif %}
+{%- endfor %}
+{%- if add_generation_prompt %}
+ {{- '<|im_start|>assistant\n\n' }}
+{%- endif %}'''
+
+CHAT_TEMPLATES["qwen3-thinking"] = (qwen3_thinking_template, qwen3_template_eos_token, False, qwen3_ollama,)
+DEFAULT_SYSTEM_MESSAGE["qwen3-thinking"] = None # No system message in Qwen3
+
+pass
def _change_system_message(template: str, type_chat_template: str, system_message: str = None):
system_message_pattern = r"\{system_message\}"