Fundamental vs PromptX
Fundamental vs PromptX, 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: Fundamental is on 65/100 and PromptX on 11/100.
Where each one leads
Fundamental
- our overall score: 65/100 against 11/100
PromptX
- agent readiness: 53/100 against 44/100
- domain rating: 42/100 against 37/100
At a glance
| Measure | Fundamental | PromptX |
|---|---|---|
| What it is | Fundamental is an AI company building Large Tabular Models (LTMs) to unlock predictive intelligence from enterprise data. | AI Knowledge Navigator That Knows Your Enterprise |
| Category | Foundation Model, Large Tabular Model, Predictive Analytics, Enterprise AI | B2B (Enterprise), AI, Agentic AI, Enterprise AI |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2024 | 2024 |
| Headquarters | San Francisco, United States | London, England, United Kingdom, Europe |
| Status | Active | Active |
Size, funding and growth
| Measure | Fundamental | PromptX |
|---|---|---|
| Employees | 90 | Not published |
| Total funding | $255M | Not published |
| Latest round | Series A | Not published |
| Valuation | $1.4B | Not published |
| LinkedIn followers | 7,884 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Fundamental | PromptX |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 65/100 | 11/100 |
| Traction | 60/100 | Not published |
| Team | 30/100 | Not published |
| Community | 18/100 | 8/100 |
| Search visibility | 43/100 | 15/100 |
| Quality | 78/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (44/100) | D (53/100) |
| Domain ratingLink authority, 0-100 | 37/100 | 42/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Fundamental | PromptX |
|---|---|---|
| CDN | Not detected | Cloudflare |
| CMS | Framer | Not detected |
| Frameworks | Not detected | Tailwind CSS |
| Analytics | Google Tag Manager, Linkedin Insight | Not detected |
| Support stack | HubSpot | Not detected |
What users say
| Measure | Fundamental | PromptX |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 3.5/5 from 2 votes | Not published |
Fundamental vs PromptX: common questions
Which is better, Fundamental or PromptX?
On our 0-100 score Fundamental rates higher (65/100 against 11/100). 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 Fundamental and PromptX compare on the numbers?
Fundamental leads on our overall score (65/100 against 11/100). PromptX leads on agent readiness (53/100 against 44/100), domain rating (42/100 against 37/100).
Read the full Fundamental review and pricing or the PromptX review and pricing. You can also browse other Fundamental alternatives we track.

