Try It Yourself
See how Faultline verifies claims across different providers.
How It Works
Three steps. Auditable proof.
Paste
Drop any AI claim. From ChatGPT, Claude, Gemini, or your own models.
Verify
Faultline checks against live web sources, cross-references citations, and scores confidence.
Report
Get an auditable verification report with claim graphs, confidence scores, and source citations.
Zero friction
Try it now — no account needed
Paste any AI-generated text. Get a full verification report in seconds. Real results, not a sales demo.
Simple, Transparent Pricing
Start free. Scale when you need to.
Verification Pipeline
Two model stages, then deterministic scoring
Extract Claims
Gemini by default
Splits AI output into atomic, checkable claims
Provider selectable per scan
Verify Claims
Gemini + Google Search grounding
Checks each claim against live web sources
Or Perplexity; OpenAI and Claude use model knowledge
Score
Deterministic, no model
Overall risk level and Trust score, set from the verdicts
Reproducible from the verdicts
Comparisons
See How Faultline Compares
Detailed feature-by-feature comparisons with popular alternatives.
Faultline vs PromptFoo
- •Claim-level forensics
- •EU AI Act audit-trail evidence
- •Real-time web verification
Faultline vs DeepEval
- •Factual claim verification
- •Pre-built verification rules
- •Search-grounded verification
Faultline vs Manual Review
- •Under-a-minute scan time
- •$19/mo vs $50-100/hr
- •Unlimited concurrent verifications
Case Studies
Proven Results
Stop trusting. Start verifying.
Verify AI claims against live web sources — auditable proof in seconds.
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