Aisera vs Ultravox.ai
Aisera vs Ultravox.ai, 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: Aisera is on 47/100 and Ultravox.ai on 52/100.
Where each one leads
Aisera
- domain rating: 72/100 against 51/100
- headcount: 326 against 16
- funding raised: $90.0M against $10.0M
- LinkedIn following: 40,268 against 5,687
Ultravox.ai
- our overall score: 52/100 against 47/100
At a glance
| Measure | Aisera | Ultravox.ai |
|---|---|---|
| What it is | Aisera delivers an Agentic AI platform leveraging artificial intelligence and machine learning to automate and transform enterprise service desk operations across IT, HR, finance, legal, facilities, and customer service domains. | Ultravox.ai (formerly Fixie.ai) is building human-like voice AI agents and models for natural, real-time communication. |
| Category | Agentic AI, Customer Service, AI Agents, Voice Agent | Agentic AI, AI Agents, Foundation Model, Large Language Model |
| Sells toBusiness model | B2B | B2B |
| Offering | Not published | Platform |
| Founded | 2017 | 2022 |
| Headquarters | United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Aisera | Ultravox.ai |
|---|---|---|
| Employees | 326 | 16 |
| Total funding | $90.0M | $10.0M |
| Latest round | Not published | Seed |
| LinkedIn followers | 40,268 | 5,687 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Aisera | Ultravox.ai |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 47/100 | 52/100 |
| Traction | 60/100 | 47/100 |
| Team | Not published | 30/100 |
| Search visibility | 32/100 | 54/100 |
| Quality | 55/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (44/100) | D (46/100) |
| Domain ratingLink authority, 0-100 | 72/100 | 51/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Aisera | Ultravox.ai |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | WordPress | Framer |
| Frameworks | Jquery | Not detected |
| Analytics | Google Tag Manager | Fathom |
| Open source | No | Yes |
Product and pricing
| Measure | Aisera | Ultravox.ai |
|---|---|---|
| Key features | Aisera Assistant, Aisera Agent Assist, AI Agent Orchestration, Autobrief, TRAPS Framework | Human-like Voice AI, Ultravox v0.5 Model, Enhanced Transcription Accuracy, Expanded Language Support, Direct Speech Consumption, Real-time APIs & SDKs |
Aisera vs Ultravox.ai: common questions
Which is better, Aisera or Ultravox.ai?
On our 0-100 score Ultravox.ai rates higher (52/100 against 47/100). 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 Aisera and Ultravox.ai compare on the numbers?
Aisera leads on domain rating (72/100 against 51/100), headcount (326 against 16), funding raised ($90.0M against $10.0M), LinkedIn following (40,268 against 5,687). Ultravox.ai leads on our overall score (52/100 against 47/100).
Read the full Aisera review and pricing or the Ultravox.ai review and pricing. You can also browse other Aisera alternatives we track.

