# mirascope.core.mistral.stream
The `MistralStream` class for convenience around streaming LLM calls.
<Info title="Usage">
[Streams](/docs/v1/learn/streams)
</Info>
## <ApiType type="Class" path="core/mistral/stream" symbolName="MistralStream" /> MistralStream
A class for convenience around streaming Mistral LLM calls.
Example:
```python
from mirascope.core import prompt_template
from mirascope.core.mistral import mistral_call
@mistral_call("mistral-large-latest", stream=True)
def recommend_book(genre: str) -> str:
return f"Recommend a {genre} book"
stream = recommend_book("fantasy") # returns `MistralStream` instance
for chunk, _ in stream:
print(chunk.content, end="", flush=True)
```
**Bases:**
<TypeLink type={{"type_str": "BaseStream[MistralCallResponse, MistralCallResponseChunk, UserMessage, AssistantMessage, ToolMessage, AssistantMessage | SystemMessage | ToolMessage | UserMessage, MistralTool, dict[str, Any], MistralDynamicConfig, MistralCallParams, FinishReason]", "description": null, "kind": "generic", "base_type": {"type_str": "BaseStream", "description": null, "kind": "simple", "doc_url": "/docs/v1/api/core/base/stream#basestream"}, "parameters": [{"type_str": "MistralCallResponse", "description": null, "kind": "simple", "doc_url": "/docs/v1/api/core/mistral/call_response#mistralcallresponse"}, {"type_str": "MistralCallResponseChunk", "description": null, "kind": "simple", "doc_url": "/docs/v1/api/core/mistral/call_response_chunk#mistralcallresponsechunk"}, {"type_str": "UserMessage", "description": null, "kind": "simple", "doc_identifier": "UserMessage"}, {"type_str": "AssistantMessage", "description": null, "kind": "simple", "doc_identifier": "AssistantMessage"}, {"type_str": "ToolMessage", "description": null, "kind": "simple", "doc_identifier": "ToolMessage"}, {"type_str": "AssistantMessage | SystemMessage | ToolMessage | UserMessage", "description": null, "kind": "union", "base_type": {"type_str": "Union", "description": null, "kind": "simple", "doc_url": "https://docs.python.org/3/library/typing.html#typing.Union"}, "parameters": [{"type_str": "AssistantMessage", "description": null, "kind": "simple", "doc_identifier": "AssistantMessage"}, {"type_str": "SystemMessage", "description": null, "kind": "simple", "doc_identifier": "SystemMessage"}, {"type_str": "ToolMessage", "description": null, "kind": "simple", "doc_identifier": "ToolMessage"}, {"type_str": "UserMessage", "description": null, "kind": "simple", "doc_identifier": "UserMessage"}]}, {"type_str": "MistralTool", "description": null, "kind": "simple", "doc_url": "/docs/v1/api/core/mistral/tool#mistraltool"}, {"type_str": "dict[str, Any]", "description": null, "kind": "generic", "base_type": {"type_str": "dict", "description": null, "kind": "simple", "doc_url": "https://docs.python.org/3/library/stdtypes.html#dict"}, "parameters": [{"type_str": "str", "description": null, "kind": "simple", "doc_url": "https://docs.python.org/3/library/stdtypes.html#str"}, {"type_str": "Any", "description": null, "kind": "simple", "doc_url": "https://docs.python.org/3/library/typing.html#typing.Any"}]}, {"type_str": "MistralDynamicConfig", "description": null, "kind": "simple", "doc_url": "/docs/v1/api/core/mistral/dynamic_config#mistraldynamicconfig"}, {"type_str": "MistralCallParams", "description": null, "kind": "simple", "doc_url": "/docs/v1/api/core/mistral/call_params#mistralcallparams"}, {"type_str": "FinishReason", "description": null, "kind": "simple", "doc_url": "/docs/v1/api/core/openai/call_response_chunk#finishreason"}]}} />
<AttributesTable
attributes={[
{
"name": "cost_metadata",
"type_info": {
"type_str": "CostMetadata",
"description": null,
"kind": "simple",
"doc_url": "/docs/v1/api/core/base/types#costmetadata"
}
}
]}
/>
## <ApiType type="Function" path="core/mistral/stream" symbolName="construct_call_response" /> construct_call_response
Constructs the call response from a consumed MistralStream.
<ParametersTable
parameters={[
{
"name": "self",
"type_info": {
"type_str": "Any",
"description": null,
"kind": "simple",
"doc_identifier": null
}
}
]}
/>
<ReturnTable
returnType={{
"type_info": {
"type_str": "MistralCallResponse",
"description": null,
"kind": "simple",
"doc_url": "/docs/v1/api/core/mistral/call_response#mistralcallresponse"
}
}}
/>