Head to head · Business · updated Oct 15, 2026
Sierra vs Tidio
Sierra scores 18 to Tidio's 11 on public evidence for customer support chatbot, and they rank #1 and #3 there. Only Tidio has a free tier. Numbers below are the same public signals the ranking uses, recomputed nightly — nothing here is sponsored.
Sierra
Enterprise conversational AI agents for customer service across chat and voice, built with brand-specific guardrails.
+ Agents take real actions (returns, bookings, account changes) with strong guardrails, and you pay only for resolved cases.
− Enterprise sales process and pricing; not self-serve for small businesses.
Tidio
Live chat and helpdesk for small businesses with Lyro, an AI agent that answers customer questions from your FAQs.
+ Combines live chat, email inbox and the Lyro AI agent in one affordable tool with Shopify and WordPress plugins.
− Lyro conversations are metered separately, so costs climb as the bot gets busier.
Side by side
public evidence| Sierra | Tidio | |
|---|---|---|
| Evidence score / 100 | 18 | 11 |
| GitHub stars | closed source | closed source |
| Hacker News stories, 30d | 4 | 0 |
| Release-feed mentions, 30d | 0 | 0 |
| Last activity | – | – |
| Pricing | Paid · Outcome-based, per resolution | Free tier |
| Platforms | web | web, ios, android, mac, windows |
| Maker | Sierra | Tidio |
Which one?
Pick Sierra if
- you want the stronger public evidence (18 vs 11)
Best for large brands automating support actions.
Pick Tidio if
- you want a free tier to start on
- you need it on android, ios, mac
Best for small ecommerce support.