kevins_question:
  conversation: kevin
  role: user
  client_message_id: djtawmq4vnp9f8es
  model_id: "gpt-4.1-2025-04-14"
  input_tokens: 3765
  output_tokens: 331
  input_cost_in_microcents: 753
  output_cost_in_microcents: 300
  cost_in_microcents: 1053

kevins_answer:
  conversation: kevin
  role: assistant
  client_message_id: rhwno26j4o

davids_question:
  conversation: david
  role: user
  client_message_id: ixmw4nni