Claude vs OpenAI
Claude vs OpenAI, compared side by side on 17 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: Claude is on 67/100 and OpenAI on 82/100.
Where each one leads
Claude
- agent readiness: 62/100 against 39/100
OpenAI
- our overall score: 82/100 against 67/100
- headcount: 10,452 against 8
- funding raised: $21B against $4.0B
- LinkedIn following: 11,484,918 against 4,212
At a glance
| Measure | Claude | OpenAI |
|---|---|---|
| What it is | Anthropic is an AI safety and research company that develops reliable, interpretable, and steerable AI systems, including the Claude family of large language models. | Artificial intelligence research and deployment company focused on developing advanced AI models like GPT-5.6 and GPT-Live, offering products such as ChatGPT and an API platform. |
| Category | Frontier AI Lab, AGI Research, Foundation Model, Large Language Model | Frontier AI Lab, AGI Research, Foundation Model, Large Language Model |
| Sells toBusiness model | B2B | B2B, B2C |
| Offering | Platform | Platform |
| Founded | Not published | 2015 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Claude | OpenAI |
|---|---|---|
| Employees | 8 | 10,452 |
| Headcount growthLast 12 months | Not published | +43.6% |
| Total funding | $4.0B | $21B |
| Latest round | Series D | Share Sale |
| Valuation | Not published | $500B |
| LinkedIn followers | 4,212 | 11,484,918 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Claude | OpenAI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 67/100 | 82/100 |
| Traction | 50/100 | 60/100 |
| Team | Not published | 70/100 |
| Search visibility | 22/100 | 65/100 |
| Quality | 96/100 | 98/100 |
| Agent readinessHow well an AI agent can read and act on the site | C (62/100) | F (39/100) |
| Domain ratingLink authority, 0-100 | 92/100 | 93/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Claude | OpenAI |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Cloudflare |
| Frameworks | Not detected | Next.js, Tailwind CSS |
| Payments | Not detected | Stripe |
| Analytics | Not detected | Singular |
| Support stack | Not detected | Discourse, Gradual |
What users say
| Measure | Claude | OpenAI |
|---|---|---|
| Reddit sentimentThreads we track | 2 positive, 4 negative across 6 threads | Not published |
“I decided I couldn't stand having a job anymore, so I asked Claude to get me out of the doldrums. I think it did a great job! I wasn’t really looking to make a meme. I just got frustrated with another project I was working on and figured I’”r/ClaudeAI
Claude vs OpenAI: common questions
Which is better, Claude or OpenAI?
On our 0-100 score OpenAI rates higher (82/100 against 67/100). 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 17 data points above: read the rows that match what you are buying for.
How do Claude and OpenAI compare on the numbers?
Claude leads on agent readiness (62/100 against 39/100). OpenAI leads on our overall score (82/100 against 67/100), headcount (10,452 against 8), funding raised ($21B against $4.0B), LinkedIn following (11,484,918 against 4,212).
What do real users say about Claude and OpenAI?
Claude: 2 positive and 4 negative mentions across 6 Reddit threads we track, mostly in r/ClaudeAI.
Read the full Claude review and pricing or the OpenAI review and pricing. You can also browse other Claude alternatives we track.