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AI text classifier,
for developers.

API first classifier built for developers. Classify human text with 99.98% accuracy. Fine-tune, integrate or build your own classifier toolset on top. Trusted by engineers from leading AI labs. Starts at $65/mTok.

Request access to our free public API for non-commercial use.

Try for free, no signup needed.

enter 100 words

By using this tool you agree to our terms.

No logs, ever

We don't store evals.

No text is logged on our servers, whatsoever.

Data residency

Pick EU/US data processing.

Select a region that works for compliance.

Research Preview

Use closed domain tech.

Get access to top-tier lab tech at a fraction of the cost.

No text stored.

Choose between US/EU servers for data residency.

Validate snippets

Auto-sample words from large documents.

Use random sampling to evaluate content at scale.

Low latency

Verify millions of documents per minute.

Our developer API scales up to maintain low latency.

Reduce cost

Get the highest per token return on classification.

Why spend validating 1m words from the same website?

Sample from large batches.

Use our sampling API route to save cost on non-critical classification.

Developer first

Build your products on top.

Designed for developers to launch products on top.

Fine-tune models

Custom model fine-tuning

Our advanced classifier tunes up with a few human samples.

Classifier design

Token patterns, not perplexity.

Analyze token patterns, so odd grammar choices will be ok.

$65/1mTok.

API first, developer friendly pricing.

Answers in short

AI can be wrong. Treat the result as a non-deterministic signal.

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