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Pricing

The free plugin is the whole trust layer — grounded, cited answers, honest refusals, moderation and the complete privacy and compliance machinery. Pro adds business leverage on top. Every privacy and compliance control is free — and we don’t move them behind payment.

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Free

For any WordPress site that wants an assistant it can defend to a visitor, a regulator, or its own legal review.
£0
No card, no trial clock, no feature waiting for payment.
bring your own AI key
  • Grounded answers from your pages, posts, documents and JSON, with citations
  • An honest “I don’t know” when your content doesn’t hold the answer
  • Any provider, any model, on your own key
  • Moderation on every visitor message, with no off-switch
  • The complete privacy layer: logging modes, retention, consent receipts, browser-storage policy, auto-clear and GDPR export/erase
  • Health dashboard and chat logs

The free plugin has been submitted to the WordPress.org plugin directory and is with its reviewers. The install link goes here the day it is listed.

Pro

For sites where the conversations are worth something commercially — a catalogue to answer from, leads to catch, a team to hand off to.
£25 / month
or £250 a year
everything in free, plus
  • WooCommerce products and external URLs as knowledge sources
  • Business Intelligence: grounding and deflection analytics, answer quality, and the knowledge gaps worth filling next
  • Idea capture — unmet demand and feature requests pulled out of real conversations
  • Sales-lead detection, emailed to your team with the transcript
  • Human-handoff escalations with triggers, notifications and email transcripts
  • The control surfaces that ride with them: a grounding-depth dial and moderation tuning
Founding customers £17 a month, or £170 a year The same Pro, at the early-customer price, for people buying before the product is well known. Until 31 January 2027, every new subscription is at this price. The price holds for as long as the subscription stays active. It does not survive lapsing, and under the licence agreement it may not survive switching plan or licence level.

Pro is a separate plugin, sold and delivered from this site: you install it alongside the free one rather than switching something on inside it. It is on sale now — and until 31 January 2027 every new subscription is at the founding price, so the founding page is where you buy: buy at the founding price →.

Prices exclude tax. Any VAT or sales tax that applies is calculated at checkout from your billing address; VAT-registered businesses can enter a VAT number there and the tax is removed.

What free is

A complete, compliance-first AI assistant for a WordPress site: any provider, any model, on your own keys; grounded answers with citations from your own posts, pages, documents and JSON; moderation on every message; the full privacy layer — storage modes, retention, consent, DSAR export and erase; and honest uncertainty when the answer isn’t in your content. Nothing in it is a demo of something else.

Where the line actually falls

Six rows, six differences. Everything not in this table is in both, because trust was never the thing to charge for.

 FreePro
Knowledge sourcesYour pages, posts, documents and JSON+ WooCommerce products and external URLs
Grounding depthTop 5 passages per answerAdjustable dial — tune depth to your content and your API budget
Conversation analytics & knowledge-gap insightsIncluded
Sales-lead detection & idea captureIncluded
Human handoff with email transcriptsIncluded
Moderation tuning (strike limit, response wording)Shipped defaultsTunable

Moderation itself runs on every plan and has no off-switch — only its tuning is Pro. The free depth of five passages is the untuned-safe default, not a cap: it is the number that behaves well without anyone having to tune it, and every passage still has to clear the relevance bar to be used at all.

What your money is actually buying

Leverage, not safety. Pro doesn’t make the assistant more trustworthy — it makes the conversations more useful to the business behind it: more of your commercial content answerable, and a way to see and act on what visitors are asking for. Safety was never the upsell.

The other bill — and why it can be nothing

AnswerRails is bring-your-own-key. Your site talks to your own account at OpenAI, Anthropic or Mistral, and every answer is billed by that provider at their rates, to you. We add nothing on top and take no cut. New installs default to Mistral, whose API key is free to create with no card — so a working assistant can cost nothing to run. The setup walkthrough shows you how to turn off Mistral’s free-tier training before your assistant answers its first question.

Ask the assistant about pricing. The chat on this site is the product, grounded in these pages. Ask it what Pro costs, or what the free plugin includes, and check the answer against what you just read — open the assistant. Pricing questions for a person go to enquiries@answerrails.com; if you are weighing free against Pro, the boundary page is the honest version of that comparison.
canonical: /pricing/ · this page is part of the assistant’s knowledge base on this site