require 'chatgpt' client = ChatGPT::Client.new(ENV['OPENAI_API_KEY'])

# Simple chat response = client.chat([ { role: "user", content: "Hello!" } ]) puts response["choices"][0]["message"]["content"] # With system message messages = [ { role: "system", content: "You are a helpful assistant." }, { role: "user", content: "What's the weather like?" } ] response = client.chat(messages)

# Simple completion response = client.completions("Write a poem about Ruby") # With parameters response = client.completions( "Write a poem about Ruby", { engine: "text-davinci-002", max_tokens: 100, temperature: 0.7 } )

client.chat_stream([ { role: "user", content: "Tell me a story" } ]) do |chunk| print chunk.dig("choices", 0, "delta", "content") end

begin response = client.chat(messages) rescue ChatGPT::AuthenticationError => e puts "Auth error: #{e.message}" rescue ChatGPT::RateLimitError => e puts "Rate limit hit: #{e.message}" rescue ChatGPT::APIError => e puts "API error: #{e.message}" end