Popper: check the statement, then prove it

Popper in action chat, then benchmark it against other models

This is Popper in action. Ask it any math or coding claim. For anything it can check, it tries to break the claim through AXLE and shows the real result. Send 10 messages and a live benchmark unlocks below, built from your own conversation.

0 / 10 messages to unlock the live benchmark

The agent is Claude (Opus 4.8) with live AXLE tools. Ask anything. For checkable claims it runs disprove or check on the Axiom Lean Engine and reports the real result.

Built on AXLE and Verina. Popper breaks statements; it does not certify them. A FAITHFUL verdict means no counterexample was found within the budget, not that none exists.