Head to head · Business · updated Oct 26, 2026
Chatwoot vs Sierra
Chatwoot scores 69 to Sierra's 16 on public evidence for customer support chatbot, and they rank #1 and #3 there. Only Chatwoot has a free tier. Numbers below are the same public signals the ranking uses, recomputed nightly — nothing here is sponsored.
Chatwoot
Open-source customer engagement suite with an AI agent for replies and summaries.
+ Self-host the whole helpdesk - the AI is an add-on, not the lock-in.
− You run the infrastructure, and the AI features need your own model key.
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.
Side by side
public evidence| Chatwoot | Sierra | |
|---|---|---|
| Evidence score / 100 | 69 | 16 |
| GitHub stars | 38,360 | closed source |
| Hacker News stories, 30d | 0 | 4 |
| Release-feed mentions, 30d | 0 | 0 |
| Last activity | 0 days ago | – |
| Pricing | Open source · Self-host free; cloud plans paid | Paid · Outcome-based, per resolution |
| Platforms | web, linux, api, ios, android | web |
| Maker | Chatwoot | Sierra |
Which one?
Pick Chatwoot if
- you want the stronger public evidence (69 vs 16)
- you want open source — self-host it, read it, fork it
- you need it on android, api, ios
- a bigger GitHub community matters (38,360 vs 0 stars)
Best for teams that want to own their support stack.
Pick Sierra if
Agents take real actions (returns, bookings, account changes) with strong guardrails, and you pay only for resolved cases.
Best for large brands automating support actions.