Cosine vs OpenAI
Cosine vs OpenAI, compared side by side on 22 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: Cosine is on 56/100 and OpenAI on 86/100.
Where each one leads
Cosine
- agent readiness: 47/100 against 39/100
OpenAI
- our overall score: 86/100 against 56/100
- domain rating: 93/100 against 65/100
- headcount: 10,540 against 36
- funding raised: $509B against $4.5M
- LinkedIn following: 11,490,460 against 3,156
At a glance
| Measure | Cosine | OpenAI |
|---|---|---|
| What it is | UK's sovereign AI coding platform for critical infrastructure. | OpenAI is an AI research and deployment company dedicated to ensuring that artificial general intelligence benefits all of humanity. |
| Category | Artificial Intelligence, Defense, Critical Infrastructure, Financial Services | Artificial Intelligence, Large Language Models, Generative AI, Foundation Models |
| Sells toBusiness model | B2B | B2B, B2C |
| Offering | Platform | Platform |
| Founded | 2022 | 2015 |
| Headquarters | United Kingdom | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Cosine | OpenAI |
|---|---|---|
| Employees | 36 | 10,540 |
| Headcount growthLast 12 months | Not published | +106.7% |
| Total funding | $4.5M | $509B |
| Latest round | Seed | Series G (final) |
| Valuation | Not published | $852B |
| LinkedIn followers | 3,156 | 11,490,460 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Cosine | OpenAI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 56/100 | 86/100 |
| Traction | 49/100 | 60/100 |
| Team | 70/100 | 90/100 |
| Community | Not published | 45/100 |
| Search visibility | 51/100 | 71/100 |
| Quality | 58/100 | 98/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (47/100) | F (39/100) |
| Domain ratingLink authority, 0-100 | 65/100 | 93/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Cosine | OpenAI |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Cloudflare | Cloudflare |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Open source | No | Yes |
Product and pricing
| Measure | Cosine | OpenAI |
|---|---|---|
| Key features | Not published | Connectors to Company Knowledge, Custom Connectors via MCP, Record Mode, Flexible Pricing with Credits, SSO for ChatGPT Team |
What users say
| Measure | Cosine | OpenAI |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 1 vote |
| Reddit sentimentThreads we track | Not published | 2 positive, 4 negative across 6 threads |
“OpenAI is an AI research and deployment company. OpenAI's mission is to create safe and powerful AI that benefits all of humanity. We are an unofficially-run community. OpenAI makes Sora, ChatGPT, and DALL·E 3.”r/
Cosine vs OpenAI: common questions
Which is better, Cosine or OpenAI?
On our 0-100 score OpenAI rates higher (86/100 against 56/100). 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 22 data points above: read the rows that match what you are buying for.
How do Cosine and OpenAI compare on the numbers?
Cosine leads on agent readiness (47/100 against 39/100). OpenAI leads on our overall score (86/100 against 56/100), domain rating (93/100 against 65/100), headcount (10,540 against 36), funding raised ($509B against $4.5M), LinkedIn following (11,490,460 against 3,156).
What do real users say about Cosine and OpenAI?
OpenAI: 2 positive and 4 negative mentions across 6 Reddit threads we track.
Read the full Cosine review and pricing or the OpenAI review and pricing. You can also browse other Cosine alternatives we track.