Does the evidence match the claim?

Source-bounded fact-checking. Paste a claim and source text — get a verdict in under 500ms. No web search, no outside knowledge.

Try an example

Supported
Apple Q1 2025 revenue was $124.3 billion
Contradicted
Apple Q1 2025 revenue was $94.9 billion
Unverifiable
Microsoft acquired OpenAI in 2024

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$0.01 / basic check $0.05 / deep check < 500ms latency