chat_template.jinja

{# ----------‑‑‑ special token variables ‑‑‑---------- #}
{%- set toolcall_begin_token   = '<minimax:tool_call>'         -%}
{%- set toolcall_end_token     = '</minimax:tool_call>'        -%}
{#- Tool Rendering Functions ============================================== -#}
{%- macro render_tool_namespace(namespace_name, tool_list) -%}
{%- for tool in tool_list -%}
<tool>{{ tool.function | tojson(ensure_ascii=False) }}</tool>
{% endfor -%}
{%- endmacro -%}
{%- macro visible_text(content) -%}
    {%- if content is string -%}
        {{ content }}
    {%- elif content is iterable and content is not mapping -%}
        {%- for item in content -%}
            {%- if item is mapping and item.type == 'text' -%}
                {{- item.text }}
            {%- elif item is string -%}
                {{- item }}
            {%- endif -%}
        {%- endfor -%}
    {%- else -%}
        {{- content }}
    {%- endif -%}
{%- endmacro -%}
{#- System Message Construction ============================================ -#}
{%- macro build_system_message(system_message) -%}
    {%- if system_message and system_message.content -%}
        {{- visible_text(system_message.content) }}
    {%- else -%}
        {%- if model_identity is not defined -%}
            {%- set model_identity = "You are a helpful assistant. Your name is MiniMax-M2.5 and is built by MiniMax." -%}
        {%- endif -%}
        {{- model_identity }}
    {%- endif -%}
    
    {#- Handle current_date -#}
    {%- if system_message and system_message.current_date -%}
        {{- '\n' ~ 'Current date: ' + system_message.current_date }}
    {%- endif -%}
    {#- Handle current_location -#}
    {%- if system_message and system_message.current_location -%}
        {{- '\n' ~ 'Current location: ' + system_message.current_location }}
    {%- endif -%}
{%- endmacro -%}
{#- Main Template Logic ================================================= -#}
{#- Extract system message (only first message if it's system) -#}
{%- set system_message = none -%}
{%- set conversation_messages = messages -%}
{%- if messages and messages[0].role == "system" -%}
    {%- set system_message = messages[0] -%}
    {%- set conversation_messages = messages[1:] -%}
{%- endif -%}
{#- Get the last user message turn, for interleved thinking -#}
{%- set ns = namespace(last_user_index=-1) %}
{% for m in conversation_messages %}
    {%- if m.role == 'user' %}
        {% set ns.last_user_index = loop.index0 -%}
    {%- endif %}
{%- endfor %}
{#- Render system message -#}
{{- ']~!b[' ~ ']~b]system' ~ '\n' }}
{{- build_system_message(system_message) }}
{#- Render tools if available -#}
{%- if tools -%}
    {{- '\n\n' ~ '# Tools' ~ '\n' ~ 'You may call one or more tools to assist with the user query.\nHere are the tools available in JSONSchema format:' ~ '\n' }}
    {{- '\n' ~ '<tools>' ~ '\n' }}
    {{- render_tool_namespace("functions", tools) }}
    {{- '</tools>' ~ '\n\n' }}
{{- 'When making tool calls, use XML format to invoke tools and pass parameters:' ~ '\n' }}
{{- '\n' ~ toolcall_begin_token }}
<invoke name="tool-name-1">
<parameter name="param-key-1">param-value-1</parameter>
<parameter name="param-key-2">param-value-2</parameter>
...
</invoke>
{{- '\n' ~ toolcall_end_token }}
{%- endif -%}
{{- '[e~[\n' }}

{#- Render messages -#}
{%- set last_tool_call = namespace(name=none) -%}
{%- for message in conversation_messages -%}
    {%- if message.role == 'assistant' -%}
        {#- Only render reasoning_content if no user message follows -#}
        {{- ']~b]ai' ~ '\n' }}

        {%- set reasoning_content = '' %}
        {%- set content = visible_text(message.content) %}
        {%- if message.reasoning_content is string %}
            {%- set reasoning_content = message.reasoning_content %}
        {%- else %}
            {%- if '</think>' in content %}
                {%- set reasoning_content = content.split('</think>')[0].strip('\n').split('<think>')[-1].strip('\n') %}
                {%- set content = content.split('</think>')[-1].strip('\n') %}
            {%- endif %}
        {%- endif %}
        {%- if reasoning_content and loop.index0 > ns.last_user_index -%}
            {{- '<think>' ~ '\n' ~ reasoning_content ~ '\n' ~ '</think>' ~ '\n\n' }}
        {%- endif -%}
        {%- if content -%}
            {{- content }}
        {%- endif -%}
        {%- if message.tool_calls -%}
            {{- '\n' ~ toolcall_begin_token ~ '\n' }}

            {%- for tool_call in message.tool_calls -%}
                {%- if tool_call.function %}
                    {%- set tool_call = tool_call.function %}
                {%- endif %}
                {{- '<invoke name="' + tool_call.name + '">' }}
                {% set _args = tool_call.arguments %}
                {%- for k, v in _args.items() %}
                {{- '<parameter name="' + k + '">' }}
                {{- v | tojson(ensure_ascii=False) if v is not string else v }}
                {{- '</parameter>' }}
                {% endfor %}
                {{- '</invoke>' ~ '\n' }}
            {%- endfor -%}
            
            {{- toolcall_end_token}}
            {%- set last_tool_call.name = message.tool_calls[-1].name -%}
        {%- else -%}
            {%- set last_tool_call.name = none -%}
        {%- endif -%}
        {{- '[e~[' ~ '\n' }}
        
    {%- elif message.role == 'tool' -%}
    {%- if last_tool_call.name is none -%}
        {{- raise_exception("Message has tool role, but there was no previous assistant message with a tool call!") }}
    {%- endif -%}
    {%- if loop.first or (conversation_messages[loop.index0 - 1].role != 'tool') -%}
        {{- ']~b]tool' }}
    {%- endif -%}
    {%- if message.content is string -%}
        {{- '\n<response>' }}
        {{- message.content }}
        {{- '</response>' }}
    {%- else -%}
        {%- for tr in message.content -%}
            {{- '\n<response>' }}
            {{- tr.output if tr.output is defined else (tr.text if tr.type == 'text' and tr.text is defined else tr) }}
            {{- '\n</response>' }}
        {%- endfor -%}
    {%- endif -%}
    {%- if loop.last or (conversation_messages[loop.index0 + 1].role != 'tool') -%}
        {{- '[e~[\n' -}}
    {%- endif -%}
        
    {%- elif message.role == 'user' -%}
        {{- ']~b]user' ~ '\n' }}
        {{- visible_text(message.content) }}
        {{- '[e~[' ~ '\n' }}
    {%- endif -%}
{%- endfor -%}

{#- Generation prompt -#}
{%- if add_generation_prompt -%}
{{- ']~b]ai' ~ '\n' ~ '<think>' ~ '\n' }}
{%- endif -%}