Function getDefaultHaikuModel

src/utils/model/model.ts:196–220

()

// @[MODEL LAUNCH]: Update the default Haiku model (3P providers may lag so keep defaults unchanged).
export function getDefaultHaikuModel(): ModelName {
  const provider = getAPIProvider()
  if (provider === 'openai' && isChatGPTAuthMode()) {
    return CHATGPT_CODEX_FAST_MODEL
  }
  // For OpenAI provider, check OPENAI_DEFAULT_HAIKU_MODEL first
  if (provider === 'openai' && process.env.OPENAI_DEFAULT_HAIKU_MODEL) {
    return process.env.OPENAI_DEFAULT_HAIKU_MODEL
  }
  // For Gemini provider, check GEMINI_DEFAULT_HAIKU_MODEL
  if (provider === 'gemini' && process.env.GEMINI_DEFAULT_HAIKU_MODEL) {
    return process.env.GEMINI_DEFAULT_HAIKU_MODEL
  }
  // Anthropic-specific override (for first-party and other 3P providers)
  if (process.env.ANTHROPIC_DEFAULT_HAIKU_MODEL) {
    return process.env.ANTHROPIC_DEFAULT_HAIKU_MODEL
  }
  // 3P providers: fall back to user's primary model instead of a hardcoded
  // Anthropic model name.
  const primaryModel = getProviderPrimaryModel()
  if (primaryModel) return primaryModel

  // Haiku 4.5 is available on all platforms (first-party, Foundry, Bedrock, Vertex)
  return getModelStrings().haiku45
}

/**
 * Get the model to use for runtime, depending on the runtime context.