Question 1

What is the cost of DeepSeek Reasoner by DeepSeek?

Accepted Answer

DeepSeek Reasoner by DeepSeek costs $0.14 per 1M input tokens and $0.28 per 1M output tokens. Cached reads cost $0.0028 per 1M tokens.

Question 2

What is the context window of DeepSeek Reasoner by DeepSeek?

Accepted Answer

DeepSeek Reasoner by DeepSeek has a context window of 1.0M tokens. It supports up to 1.0M input tokens and can generate up to 384K output tokens.

Question 3

What are the capabilities of DeepSeek Reasoner by DeepSeek?

Accepted Answer

DeepSeek Reasoner by DeepSeek supports advanced reasoning, tool calling/function calling, adjustable temperature, file attachments. It has open weights.

Question 4

What input and output types does DeepSeek Reasoner support?

Accepted Answer

DeepSeek Reasoner by DeepSeek accepts text as input and can generate text as output.

Question 5

Does DeepSeek Reasoner by DeepSeek support reasoning?

Accepted Answer

Yes, DeepSeek Reasoner by DeepSeek supports advanced reasoning capabilities. Reasoning output costs $0.28 per 1M tokens.

Question 6

Is DeepSeek Reasoner by DeepSeek open source?

Accepted Answer

Yes, DeepSeek Reasoner by DeepSeek has open weights, meaning the model weights are publicly available for download and self-hosting.

Question 7

Does DeepSeek Reasoner support function calling?

Accepted Answer

Yes, DeepSeek Reasoner by DeepSeek supports tool calling (also known as function calling), allowing it to interact with external tools and APIs during conversations.

Question 8

What is the knowledge cutoff date for DeepSeek Reasoner?

Accepted Answer

DeepSeek Reasoner by DeepSeek has a knowledge cutoff date of 2025-09. This means the model was trained on data available up until that date.

DeepSeek Reasoner API

Input Modalities

Output Modalities

Standard (per 1M tokens)

Reasoning (per 1M tokens)

Caching (per 1M tokens)