Lightmatter vs Quside
Lightmatter vs Quside, compared side by side on 14 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: Lightmatter is on 63/100 and Quside on 41/100.
Where each one leads
Lightmatter
- our overall score: 63/100 against 41/100
- domain rating: 56/100 against 50/100
- funding raised: $400M against $10.8M
Quside
- agent readiness: 50/100 against 45/100
At a glance
| Measure | Lightmatter | Quside |
|---|---|---|
| What it is | Developing photonic computing and interconnect technology to accelerate AI infrastructure and improve energy efficiency. | Quantum technology for enhanced cybersecurity, high-performance computing, and scientific research. |
| Category | Hardware, Semiconductors, Photonics, AI Infrastructure | Quantum Technology, Cybersecurity, High-Performance Computing, Scientific Research |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2017 | Not published |
| Headquarters | Mountain View, United States | Barcelona, Spain |
| Status | Active | Active |
Size, funding and growth
| Measure | Lightmatter | Quside |
|---|---|---|
| Employees | 318 | Not published |
| Total funding | $400M | $10.8M |
| Latest round | Series D | Series A |
| Valuation | $4.4B | Not published |
| LinkedIn followers | 63,729 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Lightmatter | Quside |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 41/100 |
| Traction | 60/100 | 35/100 |
| Team | 10/100 | Not published |
| Community | 8/100 | Not published |
| Search visibility | 39/100 | Not published |
| Quality | 78/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (45/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 56/100 | 50/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Lightmatter | Quside |
|---|---|---|
| Hosting | Not detected | Google Cloud |
| CDN | Cloudflare | Not detected |
| CMS | WordPress | Not detected |
| Frameworks | Alpinejs, Tailwind CSS | Not detected |
| Analytics | Google Analytics 4 | Not detected |
What users say
| Measure | Lightmatter | Quside |
|---|---|---|
| Reddit sentimentThreads we track | 1 positive, 0 negative across 5 threads | 2 positive, 0 negative across 2 threads |
“Lightmatter unveils Guide DR, the AI Industries first liquid-cooled laser NIC that quadruples rack density. This isn’t just a product update—it’s a fundamental rethink of how light powers the data center. The future of AI infrastructure is ”r/u/peterbordes
“Coherent and Quside Demonstrate Verifiable Entropy for Quantum-Safe Encryption.”r/Quantisnow
Lightmatter vs Quside: common questions
Which is better, Lightmatter or Quside?
On our 0-100 score Lightmatter rates higher (63/100 against 41/100). 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 14 data points above: read the rows that match what you are buying for.
How do Lightmatter and Quside compare on the numbers?
Lightmatter leads on our overall score (63/100 against 41/100), domain rating (56/100 against 50/100), funding raised ($400M against $10.8M). Quside leads on agent readiness (50/100 against 45/100).
What do real users say about Lightmatter and Quside?
Lightmatter: 1 positive and 0 negative mentions across 5 Reddit threads we track, mostly in r/u/peterbordes. Quside: 2 positive and 0 negative mentions across 2 Reddit threads we track, mostly in r/Quantisnow.
Read the full Lightmatter review and pricing or the Quside review and pricing. You can also browse other Lightmatter alternatives we track.