DeepSeek Reasoner
DeepSeek's own API name for its current reasoning model, which shows its thinking.
DeepSeek, reasoning. Checked 30 October 2026.
Where to use it through an API
DeepSeekdeepseek-reasoner
The maker publishes its own benchmarks and limits on its model page.
Use DeepSeek Reasoner with every other AI at once
Put DeepSeek Reasoner in one panel and ChatGPT, Claude, Gemini or any of 300+ models in the others. One message goes to all of them, answers arrive side by side, and test mode times them and hides the names so you judge fairly. Free during the beta with your own keys.
Questions
Is there a free DeepSeek Reasoner API?
Not that we found. DeepSeek Reasoner is paid per token through DeepSeek.
What is the DeepSeek Reasoner model id?
DeepSeek: deepseek-reasoner.
How does DeepSeek Reasoner score?
The Artificial Analysis Intelligence Index had not scored it when we checked on 30 October 2026.
Can I use DeepSeek Reasoner with ChatGPT, Claude and Gemini at the same time?
Yes. MultiScreenAI puts DeepSeek Reasoner in one panel and other models in the others, sends one message to all of them and shows the answers side by side.