Cognifiber vs Lightmatter
Cognifiber vs Lightmatter, 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: Cognifiber is on 51/100 and Lightmatter on 63/100.
Where each one leads
Cognifiber
Leads on none of the measures we hold for both companies.
Lightmatter
- our overall score: 63/100 against 51/100
- agent readiness: 45/100 against 25/100
- domain rating: 56/100 against 30/100
- headcount: 318 against 11
- funding raised: $400M against $11.0M
- LinkedIn following: 63,729 against 1,281
At a glance
| Measure | Cognifiber | Lightmatter |
|---|---|---|
| What it is | Reinventing computation with fiber optic hardware for revolutionary data processing. | Developing photonic computing and interconnect technology to accelerate AI infrastructure and improve energy efficiency. |
| Category | Hardware, Fiber Optic, Photonic, Computing | Hardware, Semiconductors, Photonics, AI Infrastructure |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2016 | 2017 |
| Headquarters | Tel Aviv, Israel | Mountain View, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Cognifiber | Lightmatter |
|---|---|---|
| Employees | 11 | 318 |
| Total funding | $11.0M | $400M |
| Latest round | Series B | Series D |
| Valuation | Not published | $4.4B |
| LinkedIn followers | 1,281 | 63,729 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Cognifiber | Lightmatter |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 51/100 | 63/100 |
| Traction | 46/100 | 60/100 |
| Team | 40/100 | 10/100 |
| Community | Not published | 8/100 |
| Search visibility | 32/100 | 39/100 |
| Quality | 58/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (25/100) | D (45/100) |
| Domain ratingLink authority, 0-100 | 30/100 | 56/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Cognifiber | Lightmatter |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Not detected | WordPress |
| Frameworks | Not detected | Alpinejs, Tailwind CSS |
| Analytics | Not detected | Google Analytics 4 |
What users say
| Measure | Cognifiber | Lightmatter |
|---|---|---|
| Reddit sentimentThreads we track | Not published | 1 positive, 0 negative across 5 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
Cognifiber vs Lightmatter: common questions
Which is better, Cognifiber or Lightmatter?
On our 0-100 score Lightmatter rates higher (63/100 against 51/100). 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 Cognifiber and Lightmatter compare on the numbers?
Lightmatter leads on our overall score (63/100 against 51/100), agent readiness (45/100 against 25/100), domain rating (56/100 against 30/100), headcount (318 against 11), funding raised ($400M against $11.0M), LinkedIn following (63,729 against 1,281).
What do real users say about Cognifiber and Lightmatter?
Lightmatter: 1 positive and 0 negative mentions across 5 Reddit threads we track, mostly in r/u/peterbordes.
Read the full Cognifiber review and pricing or the Lightmatter review and pricing. You can also browse other Cognifiber alternatives we track.