Start free. Pay per word when you need more. No subscriptions, no surprises.
Already have an OpenAI or Anthropic API key? Use aucto.ai completely free — no account needed. Just paste your key in settings and humanize away. We never store your keys.
No. Credits never expire. Use them whenever you want.
We count the greater of input or output words. Code blocks and formatting markers aren't counted. You can see exact usage in your dashboard.
Bring Your Own Key — pass your own OpenAI or Anthropic API key and use the humanizer for free. You pay your LLM provider directly. No aucto.ai account needed.
We test against GPTZero, Sapling, and others. The iterative rewrite loop continues until detection passes or reaches max retries. Most text passes on the first try.
Yes. Every plan includes API access. Generate an API key from your dashboard and use our REST API. See the API docs.
No. Text is processed in memory and discarded immediately. We log word counts for billing but never store your content.