Gray Swan vs Quesma
Gray Swan vs Quesma, compared side by side on 21 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: Gray Swan is on 63/100 and Quesma on 51/100.
Where each one leads
Gray Swan
- positive user sentiment: 100% positive against 50% positive
- our overall score: 63/100 against 51/100
- domain rating: 64/100 against 55/100
- headcount: 81 against 14
- funding raised: $45.7M against $2.5M
- LinkedIn following: 7,116 against 1,801
Quesma
- agent readiness: 49/100 against 39/100
At a glance
| Measure | Gray Swan | Quesma |
|---|---|---|
| What it is | Gray Swan provides enterprise-grade security solutions for LLMs, developed by the pioneers of AI vulnerability research, enabling confident AI deployment. | Observe, organize, and optimize AI spending to achieve full quality with fewer tokens. |
| Category | Cybersecurity, AI Safety, AI Alignment, Large Language Model | AI Observability, AI Governance, AI Infrastructure, Cost Optimization |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2023 | 2023 |
| Headquarters | Pittsburgh, United States | Warsaw, Poland |
| Status | Active | Active |
Size, funding and growth
| Measure | Gray Swan | Quesma |
|---|---|---|
| Employees | 81 | 14 |
| Total funding | $45.7M | $2.5M |
| Latest round | Series A | Pre-Seed |
| Valuation | $200M | Not published |
| LinkedIn followers | 7,116 | 1,801 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Gray Swan | Quesma |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 51/100 |
| Traction | 57/100 | 44/100 |
| Team | 70/100 | 50/100 |
| Search visibility | 23/100 | 22/100 |
| Quality | 72/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | D (49/100) |
| Domain ratingLink authority, 0-100 | 64/100 | 55/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Gray Swan | Quesma |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Not detected |
| Frameworks | Tailwind CSS | Not detected |
| Analytics | PostHog | Google Tag Manager |
| Support stack | HubSpot | Not detected |
What users say
| Measure | Gray Swan | Quesma |
|---|---|---|
| Reddit sentimentThreads we track | 5 positive, 0 negative across 5 threads | 3 positive, 1 negative across 6 threads |
“Gray Swan AI—where AI security meets the underground. This is the proving ground for red teamers, hackers, & AI skeptics pushing models to their limits. Jailbreak, exploit, & expose vulnerabilities in cutting-edge AI systems.”r/
“Qwen 3.6 27B is the sweet spot for local development - Quesma Blog.”r/devopsish
Gray Swan vs Quesma: common questions
Which is better, Gray Swan or Quesma?
On our 0-100 score Gray Swan 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 21 data points above: read the rows that match what you are buying for.
How do Gray Swan and Quesma compare on the numbers?
Gray Swan leads on positive user sentiment (100% positive against 50% positive), our overall score (63/100 against 51/100), domain rating (64/100 against 55/100), headcount (81 against 14), funding raised ($45.7M against $2.5M), LinkedIn following (7,116 against 1,801). Quesma leads on agent readiness (49/100 against 39/100).
What do real users say about Gray Swan and Quesma?
Gray Swan: 5 positive and 0 negative mentions across 5 Reddit threads we track. Quesma: 3 positive and 1 negative mentions across 6 Reddit threads we track, mostly in r/devopsish.
Read the full Gray Swan review and pricing or the Quesma review and pricing. You can also browse other Gray Swan alternatives we track.