Anthropic vs OpenAI
Business model, scale, and a side-by-side Litmus framework score — which model wins, and for whom.
OpenAI wins on consumer scale and brand; Anthropic wins on enterprise trust and agentic coding.
At a glance
| Metric | Anthropic | OpenAI |
|---|---|---|
| Revenue | ~$30B+ (Annualized Run Rate, Apr 2026) | $25B+ (Annualized Run Rate, early 2026) |
| Profit | Negative (Reinvesting in compute) | Negative (Heavy compute & training spend) |
| Active users | 300,000+ business customers; tens of millions of Claude users | ~900M Weekly Active Users (ChatGPT) |
| Employees | ~5,000 | 5,000+ |
| Founded | 2021 | 2015 |
| HQ | San Francisco, CA | San Francisco, CA |
LLitmus Framework Score
Overall: Anthropic 91 · OpenAI 96
Customer Segment
90
100
Value Proposition
95
99
Marketing Channel
84
100
Engagement
88
92
Income Source
85
95
Asset Validation
94
98
Core Operations
80
80
Strategic Alliance
93
100
Expense Validation
62
50
Anthropic leads 1 module, OpenAI leads 7. Overall edge: OpenAI.
Head to head
| Dimension | Anthropic | OpenAI |
|---|---|---|
| Flagship product | Claude / Claude Code | ChatGPT / GPT-5 |
| Reach | Enterprise-led, ~80% B2B revenue | ~900M weekly active users |
| Revenue run rate | ~$30B+ (Apr 2026) | ~$25B (early 2026) |
| Profitability | Negative; heavy compute spend | Loses billions/year |
| Compute backing | Amazon (up to $25B) + Google | Microsoft Azure ($13B) |
FAQ
Is Anthropic or OpenAI a better business?
OpenAI wins on consumer scale and brand; Anthropic wins on enterprise trust and agentic coding. It depends on what you optimise for — see the module-by-module breakdown above.
What is the difference between Anthropic and OpenAI's business model?
Anthropic operates in AI Tech (AI research and products that put safety at the frontier.), while OpenAI is Artificial Intelligence (Creating safe AGI that benefits all of humanity). Their revenue, scale and Litmus scores are compared in detail above.
Which is more profitable, Anthropic or OpenAI?
Anthropic: Negative (Reinvesting in compute). OpenAI: Negative (Heavy compute & training spend).