Observable Space vs Open Cosmos
Observable Space vs Open Cosmos, compared side by side on 20 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: Observable Space is on 63/100 and Open Cosmos on 59/100.
Where each one leads
Observable Space
- our overall score: 63/100 against 59/100
- funding raised: $101M against $57.0M
Open Cosmos
- domain rating: 50/100 against 32/100
- headcount: 75 against 56
At a glance
| Measure | Observable Space | Open Cosmos |
|---|---|---|
| What it is | Enabling scalable, low-cost space-to-Earth laser communications. | A European satellite constellation and data services company. |
| Category | Aerospace, Telecommunications, Hardware, SpaceTech | Aerospace, Satellite Technology, Telecommunications, Earth Observation |
| Sells toBusiness model | B2G | B2B |
| Offering | Software | Hardware |
| Founded | 2025 | 2013 |
| Headquarters | Adrian, United States | Didcot, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | Observable Space | Open Cosmos |
|---|---|---|
| Employees | 56 | 75 |
| Headcount growthLast 12 months | +500.0% | Not published |
| Open roles | 30 | Not published |
| Total funding | $101M | $57.0M |
| Latest round | debut funding round | Series B |
| Valuation | Not published | $1.1B |
| LinkedIn followers | 3,039 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Observable Space | Open Cosmos |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 59/100 |
| Traction | 58/100 | 58/100 |
| Team | 70/100 | 70/100 |
| Search visibility | 33/100 | 14/100 |
| Quality | 68/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 32/100 | 50/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Observable Space | Open Cosmos |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | WordPress | Webflow |
| Analytics | Google Analytics 4 | Google Analytics 4 |
| Support stack | HubSpot | Not detected |
What users say
| Measure | Observable Space | Open Cosmos |
|---|---|---|
| Reddit sentimentThreads we track | 3 positive, 0 negative across 3 threads | Not published |
“Los Angeles-based Observable Space closed a $90M Series A and announced a $94M U.S. Space Force contract to scale its optical sensing and laser communications platforms.”r/LosAngelesDevs
Observable Space vs Open Cosmos: common questions
Which is better, Observable Space or Open Cosmos?
On our 0-100 score Observable Space rates higher (63/100 against 59/100). 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 20 data points above: read the rows that match what you are buying for.
How do Observable Space and Open Cosmos compare on the numbers?
Observable Space leads on our overall score (63/100 against 59/100), funding raised ($101M against $57.0M). Open Cosmos leads on domain rating (50/100 against 32/100), headcount (75 against 56).
What do real users say about Observable Space and Open Cosmos?
Observable Space: 3 positive and 0 negative mentions across 3 Reddit threads we track, mostly in r/LosAngelesDevs.
Read the full Observable Space review and pricing or the Open Cosmos review and pricing. You can also browse other Observable Space alternatives we track.

