Guide
SynthID vs AI Detectors
People often say “AI detector” when they mean very different tools. SynthID looks for a specific watermark embedded by participating systems. Many commercial “AI detectors” try to guess whether text or media looks AI-generated. Mixing them up leads to overconfident headlines and bad editorial calls.
Side-by-side
| SynthID Detector | Typical AI detector | |
|---|---|---|
| Question it answers | Is a SynthID watermark present? | Does this look like AI-generated content? |
| Method | Watermark recovery from participating pipelines | Statistical / model classifiers (varies by vendor) |
| “Negative” result | No SynthID found — still may be AI | Often unreliable; false negatives/positives common |
| Best use | Checking media from supported ecosystems | Rough screening — not sole proof |
| Official free portal | synthid.com | Many third-party sites; quality varies widely |
When to use SynthID
- You suspect the file came from a partner system that applies SynthID.
- Your newsroom or brand policy asks for an AI-watermark check before publish.
- You need a clear, shareable note: detected / not detected / unclear — without inventing a fake confidence score.
Walkthrough: How to use SynthID Detector. Background: What is SynthID?
When a generic AI detector is (and isn’t) enough
Classifier-style tools can sometimes flag suspicious text or images, but they are often brittle across languages, paraphrases, and new models. Treat percentage scores as opinions, not evidence. Do not fire freelancers, reject applicants, or publish accusations based only on an AI-detector score.
A sane workflow for teams
- Ask for provenance (source, camera, export path) first.
- If relevant, run an official SynthID check at synthid.com.
- Use other detectors only as secondary screens, with language that admits uncertainty.
- Document what you checked — especially for batches. That is where a structured report helps.
Need documentation for more than a few files? Free checks stay on the official tool. We offer optional batch reports and editor checklists.
Disclaimer
checksynthid.com is independent and not affiliated with Google or any AI-detector vendor. We do not claim to run Google’s engine or to “beat” commercial detectors. SynthID detection is not complete proof of AI or human authorship.