Observe.AI vs Ultravox.ai
Observe.AI vs Ultravox.ai, compared side by side on 12 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: Observe.AI is on 8/100 and Ultravox.ai on 52/100.
Where each one leads
Observe.AI
- domain rating: 71/100 against 51/100
Ultravox.ai
- our overall score: 52/100 against 8/100
At a glance
| Measure | Observe.AI | Ultravox.ai |
|---|---|---|
| What it is | Observe.AI is an AI platform for contact centers that automates calls, assists agents in real-time, and optimizes QA processes to enhance customer experience and operational efficiency. | 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 | Not published | 2022 |
| Headquarters | Not published | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Observe.AI | Ultravox.ai |
|---|---|---|
| Employees | Not published | 16 |
| Total funding | Not published | $10.0M |
| Latest round | Not published | Seed |
| LinkedIn followers | Not published | 5,687 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Observe.AI | Ultravox.ai |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 8/100 | 52/100 |
| Traction | Not published | 47/100 |
| Team | Not published | 30/100 |
| Search visibility | 14/100 | 54/100 |
| Quality | Not published | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | D (46/100) |
| Domain ratingLink authority, 0-100 | 71/100 | 51/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Observe.AI | Ultravox.ai |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | Webflow | Framer |
| Analytics | Google Tag Manager | Fathom |
| Open source | No | Yes |
Product and pricing
| Measure | Observe.AI | Ultravox.ai |
|---|---|---|
| Key features | VoiceAI Agents, Real-time AI, Post-Interaction AI, Conversation Intelligence, Knowledge AI, Summarization AI | Human-like Voice AI, Ultravox v0.5 Model, Enhanced Transcription Accuracy, Expanded Language Support, Direct Speech Consumption, Real-time APIs & SDKs |
Observe.AI vs Ultravox.ai: common questions
Which is better, Observe.AI or Ultravox.ai?
On our 0-100 score Ultravox.ai rates higher (52/100 against 8/100). 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 12 data points above: read the rows that match what you are buying for.
How do Observe.AI and Ultravox.ai compare on the numbers?
Observe.AI leads on domain rating (71/100 against 51/100). Ultravox.ai leads on our overall score (52/100 against 8/100).
Read the full Observe.AI review and pricing or the Ultravox.ai review and pricing. You can also browse other Observe.AI alternatives we track.