R1 0528

DeepSeek chatreasoning

API ID: deepseek/deepseek-r1-0528

Input Price
$0.45
/1M tokens
Output Price
$2.15
/1M tokens

About R1 0528

May 28th update to the [original DeepSeek R1](/deepseek/deepseek-r1) Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass. Fully open-source model.

๐Ÿ’ฐ
Price Ranking
#982 lowest price among 1240 Chat models

Model Specifications

Context Length
164k
Max Output
32k
Release Date
2025-05-28
Capabilities
chat reasoning
Input Modalities
text
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Image understanding (needs vision capability)
  • Simple Q&A (cheaper models available)

๐Ÿ’ฐ Real-World Cost Examples

Estimated monthly costs for common use cases

Personal AI Assistant
$0.85
/month
50 conversations/day, ~500 tokens each
Customer Service Bot
$26.10
/month
1000 tickets/day, ~800 tokens each
Data Analysis Pipeline
$35.93
/month
500 analyses/day, ~2k tokens each

DeepSeek Model Lineup

Compare all models from DeepSeek to find the best fit

Model Input Output Context Capabilities
R1 0528 Current Free Free 164k chat reasoning
DeepSeek V3.1 Base Free Free 164k chat
DeepSeek V3.1 Base Free Free 164k chat
DeepSeek Prover V2 Free Free 164k chat
DeepSeek V3 Base Free Free 131k chat
DeepSeek V3 Base Free Free 131k chat

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Output: $2.20
Context: 1.0M
OpenAI GPT-5.4 Mini (batch)
Input: $0.38
Output: $2.25
Context: 400k

๐Ÿš€ Quick Start

Get started with R1 0528 API

OpenAI-compatible SDK
from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="deepseek/deepseek-r1-0528",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)