Head-to-Head Model Comparison

DeepSeek Reasoner vs DeepSeek-R1-0528

Benchmarks, API Token Pricing, Context Window & Speed Comparison

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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
DeepSeek Reasoner vs DeepSeek-R1-0528: Benchmarks, Pricing & Speed Comparison

DeepSeekのDeepSeek ReasonerとDeepSeekのDeepSeek-R1-0528は、注目度の高い主要AIモデルです。DeepSeek Reasonerは1M トークンのコンテキストウィンドウを備え、API料金は100万トークンあたり入力$0.28/出力$0.42、一方のDeepSeek-R1-0528は128K トークンのコンテキストで入力$0.55/出力$2.19です。以下でベンチマーク、速度、コストを詳しく比較します。

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DeepSeek

DeepSeek Reasoner

オープンウェイト推論モデル

DeepSeek の DeepSeek Reasoner は、強化学習により鍛えられた高効率なオープンウェイト論理推論向けに設計されたAIモデルです。1M のコンテキストウィンドウ、毎秒 52 トークンの生成速度、知能指数 54/100(1Mトークンあたり入力$0.28・出力$0.42)を実現しています。

Intelligence Index54 / 100
Input Token:

$0.28 / 1M

Output Token:

$0.42 / 1M

Context Window:

1M tokens

SWE-bench Verified:

56.5%

DeepSeek

DeepSeek-R1-0528

オープンウェイト推論モデル

DeepSeek の DeepSeek-R1-0528 は、強化学習により鍛えられた高効率なオープンウェイト論理推論向けに設計されたAIモデルです。128K のコンテキストウィンドウ、毎秒 48 トークンの生成速度、知能指数 52/100(1Mトークンあたり入力$0.55・出力$2.19)を実現しています。

Intelligence Index52 / 100
Input Token:

$0.55 / 1M

Output Token:

$2.19 / 1M

Context Window:

128K tokens

SWE-bench Verified:

51.8%

ひと目でわかる主な違い

  • DeepSeek Reasoner is 3.6x cheaper for API usage (input + output tokens combined).
  • DeepSeek Reasoner has a larger context window (1M vs 128K tokens).
  • DeepSeek Reasoner is faster at 52 tok/s vs 48 tok/s.
  • DeepSeek Reasoner leads on SWE-bench coding (56.5% vs 51.8%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureDeepSeek ReasonerDeepSeek-R1-0528
Intelligence Index
Composite reasoning & knowledge score (0-100)
5452
Provider
DeepSeekDeepSeek
Input Price
Cost per million input tokens
$0.28 / 1M$0.55 / 1M
Output Price
Cost per million output tokens
$0.42 / 1M$2.19 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.12 / 1M$0.43 / 1M
Context Window
Maximum input + output tokens
1M tokens~1,500 A4 pages of text128K tokens~192 A4 pages of text
Max Output Tokens
Per single request
33K8K
Throughput Speed
Tokens generated per second
52 tok/s48 tok/s
SWE-bench Verified
Real-world software engineering
56.5%51.8%
GPQA Diamond
Graduate-level reasoning
76.5%74.2%
Cached Input Price
Prompt caching discount per 1M tokens
$0.03 / 1M$0.14 / 1M

分野別勝者スコアカード

At-a-glance decision framework
Coding
DeepSeek Reasoner
+4.7% SWE-bench lead
Cost
DeepSeek Reasoner
3.6x cheaper monthly runtime
Speed
DeepSeek Reasoner
+8% faster generation
Context
DeepSeek Reasoner
1M tokens window

検証済みベンチマークスコア比較

Official evaluation metrics verified by independent third-party research labs.

DeepSeek ReasonerDeepSeek-R1-0528
SWE-bench Verified (Autonomous Coding)

Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.

56.5%vs51.8%
GPQA Diamond (Doctorate-Level Science & Math)

Challenging questions created by domain experts to test complex PhD-level reasoning.

76.5%vs74.2%
MMLU-Pro (Multi-task Language Understanding)

Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.

86.2%vs85.6%
LMSYS Chatbot Arena Elo

Crowdsourced human preference evaluation based on blind, head-to-head model battles.

1368ptsvs1355pts
Humanity's Last Exam (Frontier Expert Knowledge)

Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.

13.5%vs12%
Terminal-Bench (Agentic Coding & Terminal Use)

Autonomous multi-step tasks executed inside a real command-line terminal environment.

37.5%vs34%
SciCode (Scientific Computing)

Research-grade coding problems drawn from real scientific and numerical workloads.

35%vs31.8%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

58.5%vs54%
AIME (Advanced Math Competition)

American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.

87.5%vs85%
Long-Context Reasoning

Accuracy when reasoning over very large inputs that fill the model context window.

85%vs78%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

52 tok/s vs48 tok/s

レイテンシ&応答時間

Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.

Time to First Token (TTFT)Lower is better
DeepSeek Reasoner0.82s
DeepSeek-R1-05280.90s
Est. End-to-End Response (500 tokens)TTFT + generation time
DeepSeek Reasoner10.44s
DeepSeek-R1-052811.32s

リアルタイムAPIトークン料金シミュレーター

Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.

100K / day
10K500K1M
30K / day
5K150K300K
50% cached
0% (Cold)50%90% (Warm)
DeepSeek Reasoner Monthly API Bill
$0.84 / month
$0.28/1M in · $0.42/1M out
DeepSeek-R1-0528 Monthly API Bill
$3.01 / month
$0.55/1M in · $2.19/1M out
DeepSeek Reasoner saves approximately $2.17 / month (72%) under this workload.3.6x Savings

DeepSeek Reasoner · Strengths & Key Advantages

  • 1M のコンテキストウィンドウと最大 33K トークンの出力容量(SWE-bench Verified 56.5% · GPQA Diamond 76.5%)
  • 毎秒 52 トークンの高速スループットと、初回トークン到達時間(TTFT)わずか 820ms の低遅延
  • オープンウェイトモデル (671B Total (37B ))として vLLM・SGLang・Ollama を用いた自社GPUでのローカル運用が可能
Considerations & Trade-offs
  • 非量子化のフル精度でローカル推論を行うには十分なGPU VRAM容量が必要です
  • 極めて高度な専門科学の証明問題では、上位の大型推論特化モデルの方がより深い洞察を提供する場合があります

DeepSeek-R1-0528 · Strengths & Key Advantages

  • 128K のコンテキストウィンドウと最大 8K トークンの出力容量(SWE-bench Verified 51.8% · GPQA Diamond 74.2%)
  • 毎秒 48 トークンの高速スループットと、初回トークン到達時間(TTFT)わずか 900ms の低遅延
  • オープンウェイトモデル (671B (37B MoE))として vLLM・SGLang・Ollama を用いた自社GPUでのローカル運用が可能
Considerations & Trade-offs
  • 非量子化のフル精度でローカル推論を行うには十分なGPU VRAM容量が必要です
  • 極めて高度な専門科学の証明問題では、上位の大型推論特化モデルの方がより深い洞察を提供する場合があります

Token Use & Task Economics

Estimated cost and token consumption to complete one representative agentic task.

MetricDeepSeek ReasonerDeepSeek-R1-0528
Cost per Task
Estimated USD to finish one task
$0.22$0.62
Output Tokens / Task
Tokens generated per task
45K45K
Reasoning Tokens / Task
Thinking tokens burned per task
26K25K

技術仕様・スペック

Architecture, release timeline, capabilities, and modalities.

FeatureDeepSeek ReasonerDeepSeek-R1-0528
Official API Model ID (SDK)deepseek-reasonerdeepseek-reasoner
API ProtocolOpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGIOpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI
Release Date2025-122025-05
Knowledge CutoffSeptember 2025March 2025
ArchitectureReinforcement-Learned Reasoning MoEOpen-Weights Reasoning MoE
Parameters671B Total (37B Active)671B (37B active MoE)
Enterprise Rate Limits (RPM / TPM)Unlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed CloudUnlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud
Long-Context Tier (>128K/200K)Flat rate ($0.28/1M in) across full 1000K windowFlat rate ($0.55/1M in) across full 128K window
Prompt Cache Policy & TTLAutomatic prefix caching at $0.028/1M (no extra cache-write fee)Automatic prefix caching at $0.14/1M (no extra cache-write fee)
Computer Use / GUI AgentAPI / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)
MCP & Parallel Tool CallingNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON SchemaNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema
Web Search Grounding & SandboxSupported via external Tavily/Exa Search & E2B/Docker Sandbox toolsSupported via external Tavily/Exa Search & E2B/Docker Sandbox tools
Official Fine-Tuning SupportFull Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory)Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory)
Multimodal Token BillingText BPE (~4 chars/token)Text BPE (~4 chars/token)
Quantization & Min GPU VRAMBF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 416 GB VRAM (4-bit Quantized) · 1443 GB VRAM (Native BF16)BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 416 GB VRAM (4-bit Quantized) · 1443 GB VRAM (Native BF16)
Safety & Frontier ClassificationOpen-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma)Open-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma)
Enterprise Compliance (ZDR/HIPAA/SOC2)100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control
Input Modalitiestexttext
Output Modalitiestexttext

DeepSeek Reasoner vs DeepSeek-R1-0528: よくある質問 (FAQ)

Which is more intelligent, DeepSeek Reasoner or DeepSeek-R1-0528?

DeepSeek Reasoner is more intelligent. It scores 54 compared with 52 on the composite Intelligence Index.

Which model is faster?

DeepSeek Reasoner is faster, generating 52 tokens per second compared with 48 tokens per second.

Which model is cheaper to run?

DeepSeek Reasoner is cheaper at $0.12 per 1M tokens blended, compared with $0.43 (7:2:1 cache:input:output ratio).

Which model has lower latency?

DeepSeek Reasoner has lower latency, with a time to first token of 0.82s compared with 0.90s.

Which model has a larger context window?

DeepSeek Reasoner has a larger context window, supporting 1M tokens compared with 128K tokens.

総合評価

DeepSeek Reasoner(強化学習により鍛えられた高効率なオープンウェイト論理推論、エンタープライズRAG基盤、スケーラブルな本番API統合に最適。)とDeepSeek-R1-0528(強化学習により鍛えられた高効率なオープンウェイト論理推論、エンタープライズRAG基盤、スケーラブルな本番API統合に最適。)はいずれも優れた選択肢です。高度な推論・コーディング精度ではDeepSeek Reasonerがリードし、応答速度とスループットではDeepSeek Reasonerが優れ、APIコスト効率ではDeepSeek Reasonerが有利です。

よくある質問 (FAQ)

コーディングや複雑な推論には DeepSeek Reasoner と DeepSeek-R1-0528 のどちらが適していますか?+

総合知能指数およびコーディング評価では DeepSeek Reasoner が優位です。上部の SWE-bench や GPQA スコアもあわせてご確認ください。

DeepSeek Reasoner と DeepSeek-R1-0528 ではどちらのAPI料金が安いですか?+

DeepSeek Reasoner は100万トークンあたり入力$0.28 / 出力$0.42、DeepSeek-R1-0528 は入力$0.55 / 出力$2.19です。総合的なコスト効率では DeepSeek Reasoner がより経済的です。

コンテキスト長と生成速度はどちらが優れていますか?+

コンテキストウィンドウは DeepSeek Reasoner が 1M トークン、DeepSeek-R1-0528 が 128K トークン です。出力スピード(トークン/秒)では DeepSeek Reasoner がリードしています。

AI Terminology & Guide
Explore Glossary →

Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.

Benchmark scores, token prices, and rate limits evolve rapidly as AI labs release model updates. Always verify current specifications and pricing on the official provider documentation.

公的ソース: DeepSeekおよびDeepSeek公式APIドキュメント、システムカード、独立ベンチマーク評価 (2026)。