Function getModelOptions

src/utils/model/modelOptions.ts:538–605

(fastMode = false)

}

export function getModelOptions(fastMode = false): ModelOption[] {
  const options = getModelOptionsBase(fastMode)

  // Add the custom model from the ANTHROPIC_CUSTOM_MODEL_OPTION env var
  const envCustomModel = process.env.ANTHROPIC_CUSTOM_MODEL_OPTION
  if (
    envCustomModel &&
    !options.some(existing => existing.value === envCustomModel)
  ) {
    options.push({
      value: envCustomModel,
      label: process.env.ANTHROPIC_CUSTOM_MODEL_OPTION_NAME ?? envCustomModel,
      description:
        process.env.ANTHROPIC_CUSTOM_MODEL_OPTION_DESCRIPTION ??
        `Custom model (${envCustomModel})`,
    })
  }

  // Append additional model options fetched during bootstrap
  for (const opt of getGlobalConfig().additionalModelOptionsCache ?? []) {
    if (!options.some(existing => existing.value === opt.value)) {
      options.push(opt)
    }
  }

  // Add custom model from either the current model value or the initial one
  // if it is not already in the options.
  let customModel: ModelSetting = null
  const currentMainLoopModel = getUserSpecifiedModelSetting()
  const initialMainLoopModel = getInitialMainLoopModel()
  if (currentMainLoopModel !== undefined && currentMainLoopModel !== null) {
    customModel = currentMainLoopModel
  } else if (initialMainLoopModel !== null) {
    customModel = initialMainLoopModel
  }
  if (
    customModel === null ||
    options.some(opt => modelOptionsReferToSameModel(opt.value, customModel))
  ) {
    return filterModelOptionsByAllowlist(options)
  } else if (customModel === 'opusplan') {
    return filterModelOptionsByAllowlist([...options, getOpusPlanOption()])
  } else if (customModel === 'opus' && getAPIProvider() === 'firstParty') {
    return filterModelOptionsByAllowlist([
      ...options,
      getMaxOpusOption(fastMode),
    ])
  } else if (customModel === 'opus[1m]' && getAPIProvider() === 'firstParty') {
    return filterModelOptionsByAllowlist([
      ...options,
      getMergedOpus1MOption(fastMode),
    ])
  } else {
    // Try to show a human-readable label for known Anthropic models, with an
    // upgrade hint if the alias now resolves to a newer version.
    const knownOption = getKnownModelOption(customModel)
    if (knownOption) {
      options.push(knownOption)