@type t() :: %ExLLM.Types.Model{
  capabilities: map() | nil,
  context_window: non_neg_integer() | nil,
  description: String.t() | nil,
  id: String.t(),
  max_output_tokens: non_neg_integer() | nil,
  name: String.t() | nil,
  pricing: ExLLM.Types.pricing() | nil
}