# FakeListChatModel

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/language_models/fake_chat_models/FakeListChatModel)

Fake chat model for testing purposes.

## Signature

```python
FakeListChatModel(
    self,
    *args: Any = (),
    **kwargs: Any = {},
)
```

## Extends

- `SimpleChatModel`

## Properties

- `responses`
- `sleep`
- `i`
- `error_on_chunk_number`

## Methods

- [`batch()`](https://reference.langchain.com/python/langchain-core/language_models/fake_chat_models/FakeListChatModel/batch)
- [`abatch()`](https://reference.langchain.com/python/langchain-core/language_models/fake_chat_models/FakeListChatModel/abatch)

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/c59e83a1ffba63d709ea4847445845edd82085dc/libs/core/langchain_core/language_models/fake_chat_models.py#L59)