OpenAI API vs DeepSeek: Which Should You Choose in 2026?
Choosing between OpenAI API and DeepSeek comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
OpenAI API
API access to GPT, DALL-E, and Whisper
Best for you if:
- • You want the higher-rated option (9.5/10 vs 7.8/10)
- • You need api tools features specifically
- • API access to GPT-4, DALL-E, Whisper, and other frontier AI models
- • Chat completions API with function calling and streaming
DeepSeek
Open-source AI models with GPT-4 level performance at 27x lower cost
Best for you if:
- • You want to try before committing
- • You need ai model deployment features specifically
- • 27x more cost-efficient than GPT-4
- • Open-source MIT-licensed models
| At a Glance |  OpenAI API |  DeepSeek |
|---|---|---|
Price | Paid | Free + Paid |
Best For | API Tools | AI Model Deployment |
Rating | 95/100 | 78/100 |
| Feature | OpenAI API | DeepSeek |
|---|---|---|
| Pricing Model | Paid | Freemium |
| Editorial Score | 95 | 78 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | API ToolsAI Model Deployment | AI Model DeploymentAI Fine-Tuning |
How OpenAI API and DeepSeek Compare
OpenAI API
API access to GPT, DALL-E, and Whisper
Paid · 95/100 score
DeepSeek
Open-source AI models with GPT-4 level performance at 27x lower cost
Free tier available · 78/100 score
OpenAI API is a api tools tool. DeepSeek is in ai model deployment.
Who Should Use What?
On a budget?
DeepSeek has a free tier. OpenAI API is paid only.
Go with: DeepSeek
Want the highest-rated option?
OpenAI API: 95/100. DeepSeek: 78/100.
Go with: OpenAI API
Value user reviews?
Neither has user reviews yet.
Go with: OpenAI API
3 Questions to Help You Decide
What's your budget?
OpenAI API is paid. DeepSeek is freemium. DeepSeek lets you start free.
What's your use case?
OpenAI API is a api tools tool. DeepSeek is in ai model deployment. Pick the category that matches your needs.
How important are ratings?
OpenAI API scores higher: 95/100 vs 78/100.
Key Takeaways
OpenAI API
- Higher score: 95/100 vs 78
- Our pick for this comparison
DeepSeek
- Has a free tier
- Better fit for ai model deployment
The Bottom Line
OpenAI API (95/100) is our pick. DeepSeek has a free tier if you want to test without paying.
Frequently Asked Questions
Is OpenAI API or DeepSeek better?
OpenAI API scores 95/100 in our evaluation. OpenAI API is paid and DeepSeek is freemium.
What are OpenAI API and DeepSeek used for?
OpenAI API: API access to GPT, DALL-E, and Whisper. DeepSeek: Open-source AI models with GPT-4 level performance at 27x lower cost.
What does OpenAI API cost vs DeepSeek?
OpenAI API is a paid tool. DeepSeek is freemium (free tier + paid plans). Visit their websites for detailed pricing.