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  7. AI Chatbot & Semantic Search: ChatGPT Answers From Your Content

AI Chatbot & Semantic Search: ChatGPT Answers From Your Content

Answers your visitors can trust, drawn from YOUR content. Self-hosted AI chatbot + semantic search (RAG), your OpenAI key, not generic ChatGPT.

100+ active installs
4.3
(6 ratings)
Free on WordPress.org
View on WordPress.orgSupport forum
Will this break my store?

What the WordPress.org registry says about keeping AI Chatbot & Semantic Search: ChatGPT Answers From Your Content running.

WordPress compatibility
Tested to 7.1
Tested against the WordPress branch in use today.
Last updated
5 days ago
At least 10.4 releases a year since launch. WordPress.org only lists versions still available for download, so the real number may be higher.
Requires PHP
7.4
Your host must be running at least this version.
Requires WordPress
4.7
Contributors
1
A single maintainer. Worth knowing if the plugin is load-bearing for your store.
100+ active installsWordPress.org reports installs in bands, not exact counts.
Maintenance & trust

Scored on how AI Chatbot & Semantic Search: ChatGPT Answers From Your Content is looked after — not on how many stores run it.

94

out of 100
Well maintainedSome ratings or support history.
Maintenance
35 / 35
Updated 5 days ago.
WordPress compatibility
20 / 20
Tested to WP 7.1 (current).
Support responsiveness
Not enough data
Only 1 support thread(s) — not enough to judge.
Merchant satisfaction
10 / 15
4.3/5 across 6 rating(s).
Listing transparency
10 / 10
Provides: screenshots, description, homepage
1 of 5 measures had too little evidence to score. They are left out of the total rather than counted as zero — otherwise a plugin would be marked down for being small rather than for being poorly kept.Measured 2026-09-13 from the WordPress.org plugin registry.
Ratings

4.3

6 ratings
5★5
4★0
3★0
2★0
1★1
Every rating WordPress.org holds for this plugin, not a sample. Written reviews live in the plugin's WordPress.org reviews forum.

Answers your visitors can trust, drawn only from your own content. SmartSearchWP turns your WordPress site into an AI assistant that replies from YOUR posts and pages, grounded in your data instead of generic ChatGPT answers. It pairs an AI chatbot with a semantic search engine (RAG) that retrieves the right passages from your content before it answers. It runs on your own site, with your own OpenAI key.

Premium: unlock all 10 premium add-ons (WooCommerce, PDF, custom post types & ACF, lead capture, analytics, usage control, prompt override, and more) for €49.99/year. Get SmartSearchWP Premium »

Whether you run an eCommerce store, corporate site, blog, or documentation platform, SmartSearchWP improves engagement, reduces support workload, and enhances content discovery.

What makes SmartSearchWP different

Most AI chatbot plugins simply forward your visitors to OpenAI. SmartSearchWP is built around three ideas:

  • Grounded in YOUR content. Answers are retrieved from your own posts and pages using embeddings (RAG), so replies stay on topic and reflect what you actually published, not the open web.
  • Self-hosted, your key. The plugin runs on your WordPress install and calls OpenAI with your own API key. Your content and your keys stay under your control, which helps with GDPR compliance.
  • Modular, not bloated. A complete free core, extended by dedicated premium add-ons you install only if you need them.

No competing plugin combines all three at once: grounded answers from your own content, running on your own site, with your own key.

What you get

  • Fewer repetitive support requests: visitors get instant, content-based answers.
  • Better content discovery: semantic search surfaces the right page instead of keyword guesses.
  • Answers you can stand behind: responses are drawn from your published content, not invented.
  • Full ownership: your site, your OpenAI key, your data.

Core Features (free)

AI Chatbot Integration

Connect your website to OpenAI’s ChatGPT models to provide dynamic, contextual answers based on your own content.

All available ChatGPT models are presented in the plugin settings depending on your API key and OpenAI account. Supported models include Chat models (gpt-4o, gpt-4o-mini, gpt-4.1, etc.), Reasoning models (gpt-5, o3, o4-mini, etc.), and legacy options, each with recommendations, estimated cost levels, and suitability guidance for chatbot use.

Semantic Search Engine

Improve content discovery with AI-driven semantic search instead of simple keyword matching.

Contextual Content Indexing

Index your posts and pages so the chatbot answers from your own content. (Indexing custom post types and ACF fields is available with the premium Custom Type Manager add-on.)

Modular Architecture

Extend functionality through dedicated addons without bloating your core installation.

No request or usage cap is reserved to a paid tier: the free core is complete, and you bring your own OpenAI key.

Premium Add-ons

A premium license unlocks the add-ons that extend what the assistant can read and do:

  • WooCommerce Integration (premium addon): use your products, with SKU and price, as a content source.
  • PDF (premium addon): add the content of your media-library PDFs to the answers.
  • Custom Type Manager (premium addon): index custom post types and ACF fields (the free core indexes posts and pages).
  • Prompt Override (premium addon): replace the system prompt to control tone and scope.
  • Usage Control (premium addon): restrict access by role, page, device, schedule, or question budget.
  • RAG Auto Sync (premium addon): automatically re-index new content (uses your OpenAI key).
  • Lead Capture (premium addon): collect visitor emails in-chat with a GDPR form and CSV export.
  • Analytics & Insights (premium addon): a KPI dashboard over your chat logs (top questions, charts, CSV, weekly email).
  • RAG Debugger (premium addon): test questions and inspect the retrieved contexts.
  • Customization (premium addon): adjust the chatbot appearance (colors, position).

Premium add-ons are available with a license at €49.99/year: Get SmartSearchWP Premium »

Who it’s for

  • Site owners, agencies, and developers who want answers grounded in their own content.
  • Teams that prefer a self-hosted tool using their own OpenAI account rather than a SaaS black box.
  • eCommerce, corporate, blog, and documentation sites that want to reduce support load and improve discovery.

Who it’s not for

  • Anyone who does not want to use their own OpenAI API key (the plugin needs one to answer).
  • Sites looking for a fully managed, hosted chatbot with no setup: SmartSearchWP runs on your server.
  • Live human-agent chat: SmartSearchWP answers from your content, it is not a live-chat helpdesk.

Performance & Safety

SmartSearchWP follows WordPress development standards and keeps a clean separation between core functionality and extensions.

  • Lightweight architecture
  • API-based processing via OpenAI
  • No unnecessary front-end bloat
  • Full administrative control
  • Easy activation and deactivation

SmartSearchWP does not store unnecessary data and allows you to manage and limit API usage efficiently.

Use Cases

  • eCommerce stores providing instant product assistance
  • Corporate websites reducing support requests
  • Blogs with large content libraries improving discoverability
  • Technical documentation sites offering intelligent Q&A
  • Agencies deploying scalable AI solutions for clients

The chatbot uses OpenAI as a third-party service to generate its answers. You can find more information about OpenAI here and consult their privacy policy.

Does SmartSearchWP slow down my site?

No. Processing is handled through the OpenAI API. The plugin remains lightweight and modular.

Can I control AI responses?

Yes. You can customize prompts, restrict usage, define content sources, and manage behavior precisely.

How are OpenAI API costs managed?

You use your own OpenAI API key and can restrict usage by role, page, or quota limits to control costs.

Is WooCommerce supported?

Yes. With the WooCommerce integration addon, product data can be included in contextual AI responses.

Can I disable the chatbot easily?

Yes. The plugin can be deactivated at any time without affecting your website content.

The chatbot shows “Forbidden” or a raw error page

Some hosts (Wordfence, ModSecurity, OVH CDN Basic, etc.) block POST requests to /wp-json/wdgpt/v1/retrieve-prompt. Since version 2.7.4, SmartSearchWP retries automatically, falls back to admin-ajax.php, and shows a friendly message instead of raw error HTML. If issues persist, whitelist that REST route or exclude it from your CDN/WAF rules.

WooCommerce: search by SKU or product reference

With the WooCommerce Integration addon (1.4.0+) and SmartSearchWP 2.8.0+, the chatbot can match exact product references (SKU, ref_xxx) before semantic search and uses grounded numeric prices in the AI context to reduce wrong amounts (e.g. 83,46€ vs 8346€). Regenerate product embeddings after upgrading so SKU and price are indexed.

How do I activate the bot?

The bot will not appear on your website until you have activated it. To activate the bot, you need to generate and activate the embeddings for the pages and posts you want to use, as well as the general settings.

General settings:
1. Go to the SmartSearchWP settings page.
2. Enter your ChatGPT API key.
3. Modify the settings to your needs.
4. Save the settings.

How do I customize the chatbot’s context?

Generate and activate pages:
1. Go to the SmartSearchWP ‘Summaries’ page.
2. Click on the ‘Generate Embeddings’ button under the page or post you want to use.
3. Once their embeddings have been generated, click on the ‘Activate’ button under the page or post you want to use.
4. Repeat steps 2 and 3 for all the pages and posts you want to use.

How do I get help?

Browse our FAQ at https://www.smartsearchwp.com/faq/ for answers about setup, addons, licensing, and technical topics. If you cannot find what you need there, contact us at hello@smartsearchwp.com.

Categories
AI assistants & chatbots
Plugin details
Version2.8.10
Last updated2026-09-08 1:23pm GMT
Added2023-11-28
Requires WordPress4.7
Tested up to7.1
Requires PHP7.4
Tags on WordPress.org
ai assistant
AI Chatbot
ChatGPT
semantic search
woocommerce
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