Apollo vs Radiant
Apollo vs Radiant, compared side by side on 18 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: Apollo is on 61/100 and Radiant on 66/100.
Where each one leads
Apollo
- agent readiness: 41/100 against 26/100
- LinkedIn following: 5,702 against 994
Radiant
- our overall score: 66/100 against 61/100
- domain rating: 50/100 against 31/100
- headcount: 384 against 63
- funding raised: $518M against $50.0M
At a glance
| Measure | Apollo | Radiant |
|---|---|---|
| What it is | Developing flexible, efficient, and low-cost solar cells to turn any surface into an energy source. | Building the world's first mass-produced portable nuclear generators for anywhere power delivery. |
| Category | Energy, Solar, Photovoltaics (PV), Clean Energy | Nuclear Energy, Defense, Clean Energy, Manufacturing |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2015 | 2020 |
| Headquarters | Ramat Gan, Israel | El Segundo, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Apollo | Radiant |
|---|---|---|
| Employees | 63 | 384 |
| Headcount growthLast 12 months | +1.2% | Not published |
| Total funding | $50.0M | $518M |
| Latest round | Not published | Series D |
| LinkedIn followers | 5,702 | 994 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Apollo | Radiant |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 61/100 | 66/100 |
| Traction | 57/100 | 60/100 |
| Team | 70/100 | 30/100 |
| Community | 8/100 | Not published |
| Search visibility | 35/100 | 72/100 |
| Quality | 68/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (41/100) | F (26/100) |
| Domain ratingLink authority, 0-100 | 31/100 | 50/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Apollo | Radiant |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | WordPress | Not detected |
| Frameworks | Jquery | Not detected |
| Analytics | Google Tag Manager | Not detected |
Apollo vs Radiant: common questions
Which is better, Apollo or Radiant?
On our 0-100 score Radiant rates higher (66/100 against 61/100). 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 18 data points above: read the rows that match what you are buying for.
How do Apollo and Radiant compare on the numbers?
Apollo leads on agent readiness (41/100 against 26/100), LinkedIn following (5,702 against 994). Radiant leads on our overall score (66/100 against 61/100), domain rating (50/100 against 31/100), headcount (384 against 63), funding raised ($518M against $50.0M).
Read the full Apollo review and pricing or the Radiant review and pricing. You can also browse other Apollo alternatives we track.