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Update main_controller.rb to support 3 LLMs #9

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Update main_controller.rb to support 3 LLMs #9

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28 changes: 27 additions & 1 deletion controllers/main_controller.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -71,10 +71,36 @@ def format_role(role)
end
end

def llm

def openai_llm
Langchain::LLM::OpenAI.new(
api_key: ENV["OPENAI_API_KEY"],
default_options: { chat_completion_model_name: "gpt-4o-mini" }
)
end

def gemini_llm
Langchain::LLM::GoogleGemini.new(
api_key: ENV["GOOGLE_GEMINI_API_KEY"],
default_options: { chat_completion_model_name: "gemini-1.5-pro" }
)
end

def anthropic_llm
Langchain::LLM::Anthropic.new(
api_key: ENV["ANTHROPIC_API_KEY"],
default_options: { chat_completion_model_name: "claude-2" }
)
end

# Auto-choosing LLM based on ENV variables being available.
def llm
Langchain.logger.level = Logger::INFO

return openai_llm if ENV.fetch 'OPENAI_API_KEY', false
return gemini_llm if ENV.fetch 'GOOGLE_GEMINI_API_KEY', false
return anthropic_llm if ENV.fetch 'ANTHROPIC_API_KEY', false
raise "I need at least one key among OPENAI_API_KEY, GOOGLE_GEMINI_API_KEY, and ANTHROPIC_API_KEY"
end

end