11x vs Sierra
11x vs Sierra, compared side by side on 19 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: 11x is on 53/100 and Sierra on 62/100.
Where each one leads
11x
- headcount: 561 against 277
Sierra
- our overall score: 62/100 against 53/100
At a glance
| Measure | 11x | Sierra |
|---|---|---|
| What it is | 11x builds autonomous digital workers powered by AI to revolutionize sales, RevOps, and Go-to-Market teams. | Sierra helps businesses build better, more human customer experiences with AI agents that can understand, reason, and take action across various channels. |
| Category | Agentic AI, AI Agent, Voice AI, Voice Agent | Agentic AI, Conversational AI, Customer Service, AI Agents |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Not published |
| Founded | 2022 | 2023 |
| Headquarters | San Francisco, United States | United States |
| Status | Active | Active |
Size, funding and growth
| Measure | 11x | Sierra |
|---|---|---|
| Employees | 561 | 277 |
| Total funding | Not published | $1.6B |
| Latest round | Not published | Growth |
| Valuation | Not published | $10K |
| LinkedIn followers | 27,894 | 29,888 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | 11x | Sierra |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 53/100 | 62/100 |
| Traction | 20/100 | 60/100 |
| Team | 30/100 | 50/100 |
| Community | 20/100 | 8/100 |
| Search visibility | 46/100 | 78/100 |
| Quality | 68/100 | 65/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (52/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 67/100 | 73/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | 11x | Sierra |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Ghost |
| Frameworks | Not detected | Next.js, Tailwind CSS |
| Analytics | Google Analytics 4, Google Tag Manager, PostHog | Not detected |
| Support stack | Not detected | HubSpot |
Product and pricing
| Measure | 11x | Sierra |
|---|---|---|
| Key features | AI SDR, AI Phone Agent, Autonomous Intelligence, Enterprise-Ready Security, Seamless Integration, Continuous Learning & Adaptation | AI Agent Deployment, Real-time Customer Support, Voice Communication Integration, Agent OS for Scalability, Actionable AI Integration, Robust Security & Compliance |
What users say
| Measure | 11x | Sierra |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 1 vote | Not published |
11x vs Sierra: common questions
Which is better, 11x or Sierra?
On our 0-100 score Sierra rates higher (62/100 against 53/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 19 data points above: read the rows that match what you are buying for.
How do 11x and Sierra compare on the numbers?
11x leads on headcount (561 against 277). Sierra leads on our overall score (62/100 against 53/100).
Read the full 11x review and pricing or the Sierra review and pricing. You can also browse other 11x alternatives we track.