MiscSubjects

DeepSeek: 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…

DeepSeekR1 0528
deepseek/deepseek-r1-0528
2025-05-28text->textknows up to 2025-03-31
Design Arena
1182 Elo · #65
dataviz · 60.9% wins
Input
$0.50
per 1M tokens
Output
$2.15
per 1M tokens
Cached input
$0.35
per 1M tokens
Context
164K
tokens it reads
Max output
33K
tokens it writes
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...
inspect — the catalog entry
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  "name": "DeepSeek: R1 0528",
  "created": 1748455170,
  "description": "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...",
  "context_length": 163840,
  "architecture": {
    "modality": "text->text",
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      "text"
    ],
    "output_modalities": [
      "text"
    ],
    "tokenizer": "DeepSeek",
    "instruct_type": "deepseek-r1"
  },
  "pricing": {
    "prompt": "0.0000005",
    "completion": "0.00000215",
    "input_cache_read": "0.00000035"
  },
  "top_provider": {
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    "max_completion_tokens": 32768,
    "is_moderated": false
  },
  "per_request_limits": null,
  "supported_parameters": [
    "frequency_penalty",
    "include_reasoning",
    "logit_bias",
    "logprobs",
    "max_tokens",
    "min_p",
    "presence_penalty",
    "reasoning",
    "repetition_penalty",
    "response_format",
    "seed",
    "stop",
    "structured_outputs",
    "temperature",
    "tool_choice",
    "tools",
    "top_k",
    "top_logprobs",
    "top_p"
  ],
  "default_parameters": {
    "temperature": null,
    "top_p": null,
    "frequency_penalty": null
  },
  "supported_voices": null,
  "knowledge_cutoff": "2025-03-31",
  "expiration_date": null,
  "links": {
    "details": "/api/v1/models/deepseek/deepseek-r1-0528/endpoints"
  },
  "endpoints": [
    "/api/v1/chat/completions",
    "/api/v1/completions",
    "/api/v1/messages",
    "/api/v1/responses"
  ],
  "benchmarks": {
    "design_arena": [
      {
        "arena": "models",
        "category": "3d",
        "elo": 1108,
        "win_rate": 53.3,
        "rank": 89
      },
      {
        "arena": "models",
        "category": "codecategories",
        "elo": 1137,
        "win_rate": 52.6,
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      },
      {
        "arena": "models",
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        "elo": 1182,
        "win_rate": 60.9,
        "rank": 65
      },
      {
        "arena": "models",
        "category": "gamedev",
        "elo": 1097,
        "win_rate": 49.3,
        "rank": 99
      },
      {
        "arena": "models",
        "category": "svg",
        "elo": 1035,
        "win_rate": 48.7,
        "rank": 81
      },
      {
        "arena": "models",
        "category": "uicomponent",
        "elo": 1097,
        "win_rate": 54.9,
        "rank": 96
      },
      {
        "arena": "models",
        "category": "website",
        "elo": 1149,
        "win_rate": 52.7,
        "rank": 93
      }
    ]
  },
  "reasoning": {
    "mandatory": true
  }
}
References (1)
  1. Stored model catalog — Nov 5, 2026
Via
OpenRouter
Id
openrouter/deepseek/deepseek-r1-0528
Model id
deepseek/deepseek-r1-0528
Name
DeepSeek: R1 0528
Description
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…
Family
deepseek
Canonical slug
deepseek/deepseek-r1-0528
Price in
0.5
Price out
2.1500000000000004
Price cache read
0.35
Price cache write
null
Price cache write 1h
null
Price web search
null
Price overrides
[]
Context
163840
Max completion tokens
32768
Modality
text->text
Input modalities
["text"]
Output modalities
["text"]
Tokenizer
DeepSeek
Knowledge cutoff
2025-03-31
Created
1748455170
Moderated
false
Params
["frequency_penalty","include_reasoning","logit_bias","logprobs","max_tokens","min_p","presence_penalty","reasoning","repetition_penalty","response_format","seed","stop","structured_outputs","temperature","tool_choice","tools","top_k","top_logprobs","top_p"]
Default parameters
{"temperature":null,"top_p":null,"frequency_penalty":null}
Tools
true
Reasoning
true
Reasoning efforts
null
Reasoning default effort
null
Reasoning mandatory
true
Reasoning default enabled
null
Vision
false
Expiration date
null
Page dataOpen JSON
page.json
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