diegosouzapw/OmniRoute · error

models.dev returned invalid JSON (${text.slice(0, 100)}...)

Error message

models.dev returned invalid JSON (${text.slice(0, 100)}...)

What it means

Error "models.dev returned invalid JSON (${text.slice(0, 100)}...)" thrown in diegosouzapw/OmniRoute.

Source

Thrown at src/lib/modelsDevSync.ts:189

  // Return cached data if still fresh
  if (cachedData && Date.now() - cacheTime < CACHE_TTL_MS) {
    return cachedData;
  }

  const response = await fetch(MODELS_DEV_API_URL, {
    signal: signal ?? AbortSignal.timeout(30000),
  });
  if (!response.ok) {
    throw new Error(`models.dev fetch failed [${response.status}]: ${response.statusText}`);
  }
  const text = await response.text();
  try {
    const data = JSON.parse(text) as ModelsDevData;
    cachedData = data;
    cacheTime = Date.now();
    return data;
  } catch {
    throw new Error(`models.dev returned invalid JSON (${text.slice(0, 100)}...)`);
  }
}

// ─── DB: models.dev pricing namespace ────────────────────

function toRecord(value: unknown): Record<string, unknown> {
  return value && typeof value === "object" ? (value as Record<string, unknown>) : {};
}

function mapCapabilityRecord(record: Record<string, unknown>): ModelCapabilityEntry {
  return {
    tool_call: record.tool_call === 1 ? true : record.tool_call === 0 ? false : null,
    reasoning: record.reasoning === 1 ? true : record.reasoning === 0 ? false : null,
    attachment: record.attachment === 1 ? true : record.attachment === 0 ? false : null,
    structured_output:
      record.structured_output === 1 ? true : record.structured_output === 0 ? false : null,
    temperature: record.temperature === 1 ? true : record.temperature === 0 ? false : null,
    modalities_input: typeof record.modalities_input === "string" ? record.modalities_input : "[]",

View on GitHub (pinned to a179ffed5b)

When it happens

Trigger: Thrown at src/lib/modelsDevSync.ts:189 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Parsing and encoding errors: unexpected token, malformed input — why parsers reject input and how to find the real culprit.

AI-assisted analysis of diegosouzapw/OmniRoute@a179ffed5b (2026-08-25). Data as JSON: /api/errors/fe4daffef6d99df8. Report an issue: GitHub.