Data Methodology: Adoption data is based on public tech stack disclosures, job postings, case studies, and verified enterprise reports analyzed by UsedBy.ai. Showing 50 verified enterprise adoptions. More data being indexed continuously.
Decision Guide
Which One Should You Choose?
Based on real enterprise adoption patterns

Choose Claude if...
- You want the most validated option (46+ enterprises)
- You want to try before buying (free trial available)
UsedBy Exclusive Data
Industry Adoption Patterns
See which industries prefer each tool based on real adoption data

OpenAI API by Industry
OpenAI API is the go-to choice for Data & Analytics (50% of adopters)
Data & Analytics50%
Artificial Intelligence25%
Marketing Tech25%

Claude by Industry
DevTools & Infrastructure15%
Artificial Intelligence13%
Data & Analytics11%
Sales Tech & CRM7%
Fintech & Payments7%


1 Companies Use Both
These enterprises have integrated both tools into their stack
OpenAI API vs Claude: Your Questions Answered
Claude leads in enterprise adoption with 46 companies, versus 4 for OpenAI API. This indicates broader market acceptance for Claude.
Yes, 1 companies in our database use both OpenAI API and Claude in their tech stack. This includes MongoDB. Using both tools together is a validated enterprise strategy.
OpenAI API is particularly strong in Data & Analytics (50% of adopters), while Claude dominates in DevTools & Infrastructure (15%). Choose based on your industry's prevailing stack.
For startups, consider: OpenAI API offers flexible pricing, while Claude uses freemium pricing with a free trial available. Both are validated by enterprise use, ensuring scalability as you grow.
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