Start free. Unlock more as you go.
AI Models — included on every plan
Cypher 1.4
Fast, punchy counter-arguments. Best for quick back-and-forth.
Veritas 2.8
Deep, structured reasoning. Builds detailed counter-cases.
Paradox 4.1
Maximum power. Elite evidence-dense argumentation.
Free
$0 USD/mo
No credit card required
Pro
Popular$119.99 USD/yr
~$10.00/mo · 4 months free
Max
$239.99 USD/yr
~$20.00/mo · 4 months free
All plans include all 3 AI models. Cancel anytime.
Refund policy · No hidden fees · Secure payments via Polar
Pricing questions
Yes. All 3 AI models, web search, deep reasoning, file attachments, Axiom Voice Lite, the Reasoning Test, the Progress Dashboard, and AI Memory — free, forever, no credit card.
Your limit resets at midnight local time. You'll see a counter on every send so you know where you stand. If you're hitting it regularly, Pro multiplies the limit ×5 and Max ×10.
Yes. Cancellation takes one click from Settings → Account → Cancel subscription. You keep paid access until the end of the current billing period — no prorated billing surprises.
Yes. 30-day money-back guarantee on monthly plans, 14-day right of withdrawal for EU customers. See the full refund policy linked above.
Annual works out to roughly 4 months free. Pro annual is $119.99 vs $179.88 if you paid monthly for 12 months. Max annual is $239.99 vs $359.88.
Yes, instantly from Settings → Account → Manage subscription. Upgrades take effect immediately with a prorated charge; downgrades take effect at the next renewal.
No. Your conversations, uploaded files, and session data are never used to train the underlying AI models. They're stored only to power your chat history and Progress Dashboard, and you can delete any of them any time.
No. Payments are processed by Polar (PCI-DSS compliant). We see only non-sensitive billing confirmation data — your card number never touches Counteraxiom's infrastructure.
Other questions? Email support@counteraxiom.com.