LangchainPrompt.Adapters.Langchain (LangchainPrompt v0.1.0)

Adapter that delegates to any elixir-langchain chat model.

Requires the :langchain dependency (~> 0.7).

Profile opts

Pass the following keys in Profile.opts:

Key	Required	Description
`:chat_module`	yes	A `LangChain.ChatModels.*` module
`:model`	yes	Model name string
any other	no	Forwarded as-is to `chat_module.new/1`

Examples

# Google AI
%Profile{
  adapter: LangchainPrompt.Adapters.Langchain,
  opts: %{
    chat_module: LangChain.ChatModels.ChatGoogleAI,
    model: "gemini-2.0-flash",
    temperature: 0.1
  }
}

# OpenAI-compatible (Deepseek, Grok, Mistral, Ollama, …)
%Profile{
  adapter: LangchainPrompt.Adapters.Langchain,
  opts: %{
    chat_module: LangChain.ChatModels.ChatOpenAI,
    model: "deepseek-chat",
    endpoint: "https://api.deepseek.com/chat/completions",
    api_key: System.get_env("DEEPSEEK_API_KEY")
  }
}

# Anthropic
%Profile{
  adapter: LangchainPrompt.Adapters.Langchain,
  opts: %{
    chat_module: LangChain.ChatModels.ChatAnthropic,
    model: "claude-sonnet-4-6"
  }
}