Quelle  provider-model-id-normalize.ts

const ANTIGRAVITY_BARE_PRO_IDS = new Set(["gemini-3-pro", "gemini-3.1-pro", "gemini-3-1-pro"]);

export function normalizeGooglePreviewModelId(id: string): string {
  if (id === "gemini-3-pro") {
    return "gemini-3-pro-preview";
  }
  if (id === "gemini-3-flash") {
    return "gemini-3-flash-preview";
  }
  if (id === "gemini-3.1-pro") {
    return "gemini-3.1-pro-preview";
  }
  if (id === "gemini-3.1-flash-lite") {
    return "gemini-3.1-flash-lite-preview";
  }
  if (id === "gemini-3.1-flash" || id === "gemini-3.1-flash-preview") {
    return "gemini-3-flash-preview";
  }
  return id;
}

export function normalizeAntigravityPreviewModelId(id: string): string {
  if (ANTIGRAVITY_BARE_PRO_IDS.has(id)) {
    return `${id}-low`;
  }
  return id;
}

export function normalizeNativeXaiModelId(id: string): string {
  if (id === "grok-4-fast-reasoning") {
    return "grok-4-fast";
  }
  if (id === "grok-4-1-fast-reasoning") {
    return "grok-4-1-fast";
  }
  if (id === "grok-4.20-experimental-beta-0304-reasoning") {
    return "grok-4.20-beta-latest-reasoning";
  }
  if (id === "grok-4.20-experimental-beta-0304-non-reasoning") {
    return "grok-4.20-beta-latest-non-reasoning";
  }
  if (id === "grok-4.20-reasoning") {
    return "grok-4.20-beta-latest-reasoning";
  }
  if (id === "grok-4.20-non-reasoning") {
    return "grok-4.20-beta-latest-non-reasoning";
  }
  return id;
}