deepseek/deepseek-reasoner
Model Card
DeepSeek Reasoner is the API alias for DeepSeek's reasoning models (R1 series), which use chain-of-thought reasoning to solve complex math, coding, and logic problems. It displays its thinking process before arriving at answers and achieves performance comparable to OpenAI o1.
Context Window
128K
tokens
Max Output
64,000
tokens
Input Cost
$0.56
per million tokens
Output Cost
$1.68
per million tokens
API Usage Example
Add DeepSeek Reasoner to your app with just a few lines of code.
No API keys, no backend, no configuration required.
<html>
<body>
<script src="https://js.puter.com/v2/"></script>
<script>
puter.ai.chat("Explain quantum computing in simple terms", {
model: "deepseek/deepseek-reasoner"
}).then(response => {
document.body.innerHTML = response.message.content;
});
</script>
</body>
</html>
Get started with Puter.js
Add DeepSeek Reasoner to your app without worrying about API keys or setup.
Read the Docs View Tutorials