DeepSeek R1 (May)

DeepSeek

Improved reasoning model release

Text Generation API DeepSeek Family

Parameters

-

params

Context Window

128K

tokens

Max Output

8K

tokens

Input Price

$0.55

per 1M tokens

Output Price

$2.19

per 1M tokens

DeepSeek Family 15 models

The full DeepSeek line by generation — pricing and capabilities vary across the family.

V4

Agentic reasoning, coding, long-context

Cost-sensitive inference, coding, long-context

DeepSeek

General purpose, reasoning, code generation

Code generation, completion

Professional coding tasks

General purpose, MoE

General chat, coding

V3.2

Sparse attention, experimental

V3.1

Hybrid thinking, 40% better on SWE-bench

R1

R1 (May) Current

Enhanced reasoning

$0.55 / $2.19

in / out · 1M

May 2025

Reasoning, math, coding, analysis

Reasoning, math, coding

Reasoning, chain-of-thought

V3

General purpose, MIT license

Coder

Code generation, debugging

Capabilities

👁️

Vision

⚡

Function Calling

📋

JSON Mode

🌊

Streaming

💬

System Prompt

🖥️

Code Execution

🔍

Web Search

🔌

MCP Support

Details

Release Date: May 28, 2025
Knowledge Cutoff: July 1, 2024
Source: API
API Key Required: Yes
License: Proprietary
Model ID: deepseek-r1-0528

Last updated: November 26, 2025