Head-to-Head Model Comparison

o4-mini-deep-research vs o3-deep-research

Benchmarks, API Token Pricing, Context Window & Speed Comparison

GetInfoUs リサーチチーム監修最終確認日: October 2026編集方針
共有
Related topics (12)
AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
o4-mini-deep-research vs o3-deep-research: Benchmarks, Pricing & Speed Comparison

OpenAIのo4-mini-deep-researchとOpenAIのo3-deep-researchは、注目度の高い主要AIモデルです。o4-mini-deep-researchは200K 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$2.00/出力$8.00、一方のo3-deep-researchは200K トークンのコンテキストで入力$10.00/出力$40.00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。

徹底比較 (VS)

任意のAIモデルを切り替えて比較

Select any AI models from our verified benchmark database to generate live side-by-side matrices.

Profile
Profile
Multi-Model Arena Stack:
5-Model Matrix Workbench
Popular Matchups:
OpenAI

o4-mini-deep-research

ディープ推論・論理エンジン

OpenAI の o4-mini-deep-research は、高度な数学的推論、科学技術計算、多段階の思考連鎖(Chain-of-Thought)向けに設計されたAIモデルです。200K のコンテキストウィンドウ、毎秒 70 トークンの生成速度、知能指数 48/100(1Mトークンあたり入力$2・出力$8)を実現しています。

Intelligence Index48 / 100
Input Token:

$2.00 / 1M

Output Token:

$8.00 / 1M

Context Window:

200K tokens

SWE-bench Verified:

48.5%

OpenAI

o3-deep-research

ディープ推論・論理エンジン

OpenAI の o3-deep-research は、高度な数学的推論、科学技術計算、多段階の思考連鎖(Chain-of-Thought)向けに設計されたAIモデルです。200K のコンテキストウィンドウ、毎秒 45 トークンの生成速度、知能指数 55/100(1Mトークンあたり入力$10・出力$40)を実現しています。

Intelligence Index55 / 100
Input Token:

$10.00 / 1M

Output Token:

$40.00 / 1M

Context Window:

200K tokens

SWE-bench Verified:

55%

ひと目でわかる主な違い

  • o4-mini-deep-research is 5.0x cheaper for API usage (input + output tokens combined).
  • o4-mini-deep-research is faster at 70 tok/s vs 45 tok/s.
  • o3-deep-research leads on SWE-bench coding (55.0% vs 48.5%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
Featureo4-mini-deep-researcho3-deep-research
Intelligence Index
Composite reasoning & knowledge score (0-100)
4855
Provider
OpenAIOpenAI
Input Price
Cost per million input tokens
$2.00 / 1M$10.00 / 1M
Output Price
Cost per million output tokens
$8.00 / 1M$40.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$1.55 / 1M$7.75 / 1M
Context Window
Maximum input + output tokens
200K tokens~300 A4 pages of text200K tokens~300 A4 pages of text
Max Output Tokens
Per single request
100K100K
Throughput Speed
Tokens generated per second
70 tok/s45 tok/s
SWE-bench Verified
Real-world software engineering
48.5%55%
GPQA Diamond
Graduate-level reasoning
68%74.5%
Cached Input Price
Prompt caching discount per 1M tokens
$0.50 / 1M$2.50 / 1M

分野別勝者スコアカード

At-a-glance decision framework
Coding
o3-deep-research
+6.5% SWE-bench lead
Cost
o4-mini-deep-research
5.0x cheaper monthly runtime
Speed
o4-mini-deep-research
+56% faster generation
Context
Tied
200K 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.

o4-mini-deep-researcho3-deep-research
SWE-bench Verified (Autonomous Coding)

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

48.5%vs55%
GPQA Diamond (Doctorate-Level Science & Math)

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

68%vs74.5%
MMLU-Pro (Multi-task Language Understanding)

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

80.5%vs85.5%
LMSYS Chatbot Arena Elo

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

1318ptsvs1336pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

11.8%vs13.2%
Terminal-Bench (Agentic Coding & Terminal Use)

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

33.5%vs41%
SciCode (Scientific Computing)

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

35%vs43%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

60%vs68%
AIME (Advanced Math Competition)

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

85%vs87.5%
Long-Context Reasoning

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

76%vs82%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

70 tok/s vs45 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
o4-mini-deep-research2.40s
o3-deep-research3.40s
Est. End-to-End Response (500 tokens)TTFT + generation time
o4-mini-deep-research9.54s
o3-deep-research14.51s

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)
o4-mini-deep-research Monthly API Bill
$10.95 / month
$2/1M in · $8/1M out
o3-deep-research Monthly API Bill
$54.75 / month
$10/1M in · $40/1M out
o4-mini-deep-research saves approximately $43.80 / month (80%) under this workload.5.0x Savings

o4-mini-deep-research · Strengths & Key Advantages

  • 200K のコンテキストウィンドウと最大 100K トークンの出力容量(SWE-bench Verified 48.5% · GPQA Diamond 68%)
  • 毎秒 70 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 2400ms の低遅延
  • 優れたAPI経済性(1Mトークンあたり入力$2・出力$8)に加え、プロンプトキャッシュや構造化JSON出力・関数呼び出しに完全対応
Considerations & Trade-offs
  • クラウド専用のプロプライエタリモデルのため、モデル重みをダウンロードしてオフライン実行することはできません
  • 大量のトークンを処理する本番環境では、プロンプトキャッシュや Batch API の併用によるコスト最適化が推奨されます

o3-deep-research · Strengths & Key Advantages

  • 200K のコンテキストウィンドウと最大 100K トークンの出力容量(SWE-bench Verified 55% · GPQA Diamond 74.5%)
  • 毎秒 45 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 3400ms の低遅延
  • 優れたAPI経済性(1Mトークンあたり入力$10・出力$40)に加え、プロンプトキャッシュや構造化JSON出力・関数呼び出しに完全対応
Considerations & Trade-offs
  • クラウド専用のプロプライエタリモデルのため、モデル重みをダウンロードしてオフライン実行することはできません
  • 大量のトークンを処理する本番環境では、プロンプトキャッシュや Batch API の併用によるコスト最適化が推奨されます

Token Use & Task Economics

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

Metrico4-mini-deep-researcho3-deep-research
Cost per Task
Estimated USD to finish one task
$1.10$7.28
Output Tokens / Task
Tokens generated per task
75K90K
Reasoning Tokens / Task
Thinking tokens burned per task
30K42K

技術仕様・スペック

Architecture, release timeline, capabilities, and modalities.

Featureo4-mini-deep-researcho3-deep-research
Official API Model ID (SDK)o4-mini-deep-researcho3-deep-research
API ProtocolOpenAI Responses API & Chat Completions v1OpenAI Responses API & Chat Completions v1
Release Date2025-062025-06
Knowledge CutoffJune 2024June 2024
ArchitectureCompact agentic reasoning transformerAgentic reasoning transformer with web and file tools
ParametersConfidentialConfidential
Enterprise Rate Limits (RPM / TPM)10,000 – 30,000 RPM (Tier 5 Enterprise) · 800,000 – 2,000,000 TPM10,000 – 30,000 RPM (Tier 5 Enterprise) · 800,000 – 2,000,000 TPM
Long-Context Tier (>128K/200K)Flat rate ($2/1M in) across full 200K windowFlat rate ($10/1M in) across full 200K window
Prompt Cache Policy & TTLAutomatic prefix caching at $0.5/1M (no extra cache-write fee)Automatic prefix caching at $2.5/1M (no extra cache-write fee)
Computer Use / GUI AgentSupported (Screen coordinate grounding, browser & desktop GUI action loops)Supported (Screen coordinate grounding, browser & desktop GUI action loops)
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 & SandboxNative Web Search tool + Hosted Code Interpreter & File Search RAGNative Web Search tool + Hosted Code Interpreter & File Search RAG
Official Fine-Tuning SupportSupervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)Supervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)
Multimodal Token BillingText BPE (~4 chars/token) · Vision (~258–765 tokens per image tile)Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile)
Quantization & Min GPU VRAMCloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)Cloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)
Safety & Frontier ClassificationOpenAI Preparedness Framework Audited & System Card PublishedOpenAI Preparedness Framework Audited & System Card Published
Enterprise Compliance (ZDR/HIPAA/SOC2)SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise TierSOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier
Input Modalitiestext, visiontext, vision
Output Modalitiestexttext

o4-mini-deep-research vs o3-deep-research: よくある質問 (FAQ)

Which is more intelligent, o4-mini-deep-research or o3-deep-research?

o3-deep-research is more intelligent. It scores 55 compared with 48 on the composite Intelligence Index.

Which model is faster?

o4-mini-deep-research is faster, generating 70 tokens per second compared with 45 tokens per second.

Which model is cheaper to run?

o4-mini-deep-research is cheaper at $1.55 per 1M tokens blended, compared with $7.75 (7:2:1 cache:input:output ratio).

Which model has lower latency?

o4-mini-deep-research has lower latency, with a time to first token of 2.40s compared with 3.40s.

総合評価

o4-mini-deep-research(高度な数学的推論、科学技術計算、多段階の思考連鎖(Chain-of-Thought)、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o3-deep-research(高度な数学的推論、科学技術計算、多段階の思考連鎖(Chain-of-Thought)、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o3-deep-researchがリードし、応答速度とスループットではo4-mini-deep-researchが優れ、APIコスト効率ではo4-mini-deep-research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 o4-mini-deep-research と o3-deep-research 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 o3-deep-research 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。

o4-mini-deep-research と o3-deep-research ではどちらのAPI料金が安いですか?+

o4-mini-deep-research は100万トークンあたり入力$2.00 / 出力$8.00、o3-deep-research は入力$10.00 / 出力$40.00です。総合的なコスト効率では o4-mini-deep-research 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 o4-mini-deep-research が 200K トークン、o3-deep-research が 200K トークン です。出力スピード(トークン/秒)では o4-mini-deep-research 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: OpenAIおよびOpenAI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)。