DeepSeek R1

deepseek

DeepSeek's advanced reasoning model from the R1 series, released May 2025. Built for deep chain-of-thought reasoning, it excels at complex mathematical, logical, and analytical problems. With 131K context and 32K output window, it handles substantial reasoning tasks. Superseded by the V3.2 Speciale model which achieves stronger reasoning at lower cost.

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Capabilities

Extended Thinking

Example Use Cases

Complex mathematical reasoning

Multi-step logical deductions

Problems requiring extended thinking

Technical Specifications

Context Window

131,072 tokens

Max Output

32,768 tokens

Cache Miss Cost

$0.55 per 1M tokens

Non-Reasoning Cost

$2.15 per 1M tokens

Cache Read Cost

$0.35 per 1M tokens

Web Search Cost

$15 per 1K calls

Code Execution Cost

$0.19 per 1K calls

⚠️ Legacy

Made legacy on

Reason

Superseded by V3.2 Speciale with superior reasoning capabilities

Recommended Replacement

DeepSeek V3.2 Speciale