Chatbase popularised the 'train an agent on your docs, drop a widget on the site' workflow and built a strong, fast-shipping product around it. NovixAgent AI sits in the same shape but makes a few different calls — a strict grounding contract on every answer, multiple websites under one account by default, and flat monthly tiers. Neither is universally better — pick the one whose tradeoffs match how your team works.
| Feature | NovixAgent AI | Chatbase |
|---|---|---|
| Train on website / docs / files | Yes | Yes |
| No-code widget embed | Yes | Yes |
| Strict grounding (answer from your content or decline) | Default behaviour, every plan | Configurable; defaults vary |
| Per-message grounded / low-confidence labelling | Yes | Limited |
| Multiple websites under one account | Built in, every plan | Typically one chatbot per plan slot (per their pricing, May 2026) |
| Replies in the language of each visitor's message | Yes | Multi-language supported; auto-detection varies |
| Speech-to-Text in chat | From Pro $99/mo (browser, unlimited) | Not a standard feature as of May 2026 |
| Text-to-Speech reply | From Pro $99/mo (150k chars / mo) | Not a standard feature as of May 2026 |
| Calendar booking inside chat | Cal.com / Calendly (Pro+) | Via tool actions / integrations |
| HMAC-signed webhooks + dead-letter retry | Every plan | Webhooks supported; HMAC + retry specifics vary |
| Lead capture without a separate form | First-class capability, every plan | Via tools / actions |
| Pricing shape | Flat monthly plan from $29/mo | Tiered MB-of-content caps — Hobby ~$32, Standard ~$120, Pro ~$400 (per Chatbase pricing page) |
| Trial | 7-day free trial on Starter, Pro, and Business for a website's first subscription, card required | Free tier with limited messages; paid trials vary |
Pick Chatbase if you've already invested in their workflow and your content fits comfortably in their MB tiers. Pick NovixAgent AI if you want strict grounding by default, voice and booking included from Pro, and multiple websites in one account. For many teams either tool will get the job done — the differences show up at the edges (multi-site, grounding strictness, pricing predictability).
Last verified: May 24, 2026. Comparisons describe either a product category or a named alternative. Capability and pricing claims about other tools reflect their public pricing-page and documentation as of the verification date — vendor offerings change, so a comparison whose rows have a recorded verification pass shows the date of that pass. If a row is out of date, tell us at /contact?subject=general and we'll fix it on the next sweep. Trademarks belong to their respective owners.
It can be, depending on what you need at the edges. Both train an AI agent on your website, docs and files and embed a no-code widget; NovixAgent AI differs with strict grounding by default, multiple websites under one account, and flat monthly tiers. For many teams either tool will get the job done.
NovixAgent AI uses flat monthly plans from $29/mo, with a 7-day free trial on Starter, Pro, and Business for a website's first subscription, card required and multiple websites in one account on every plan. Chatbase uses tiers capped by megabytes of content, typically with one chatbot per plan slot per their pricing as of May 2026, and offers a free tier with limited messages.
Choose Chatbase if you are already on it, your content fits within their MB caps and the switching cost outweighs the differences. It also fits if its larger installed base since 2023 matters more to you than the architectural differences, or if you rely on a Chatbase integration that is not yet in our integration set.
NovixAgent AI includes browser Speech-to-Text and Text-to-Speech replies from Pro. Chatbase also offers voice, on its Standard plan and above.
How NovixAgent AI compares to general-purpose AI chatbots trained on your docs: grounding, lead capture, languages, and pricing model.
AI features bolted onto existing help-desk suites vs a lean standalone widget. Cost, lock-in, and deployment compared on architecture, not brand.
Custom GPT builders are great for prototyping. NovixAgent AI is a production widget on your own site — with lead capture, analytics, and guardrails.
Visitor questions go unanswered without an agent, and some of those visitors don't come back. 7 days free on Starter, Pro, and Business. Live today. Cancel anytime in the billing portal.