💰 Unit Cost Winner DeepSeek R1 $0.55/1M in · $2.19/1M out
⚡ Latency & Speed Winner OpenAI o3-mini 950ms TTFT · 98 tok/s
💻 Coding (SWE) Winner OpenAI o3-mini 49.3% SWE-bench · 92.4% HumanEval
🧠 STEM Reasoning Winner OpenAI o3-mini 79.7% GPQA · 97.9% MATH-500

Which model is better: DeepSeek R1 or OpenAI o3-mini?

DeepSeek R1 cuts input token costs by 50.0% compared to OpenAI o3-mini ($0.55 vs. $1.10 per 1M input tokens; $2.19 vs. $4.40/1M output). For autonomous software engineering, OpenAI o3-mini leads on SWE-bench Verified (49.3% vs. 49.2%), while OpenAI o3-mini edges ahead on GPQA Diamond scientific reasoning (79.7%). In real-time API production, OpenAI o3-mini achieves a faster 950ms TTFT latency (98.0 tokens/sec).
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta (12 Dimensions)

Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.

Metric / Dimension DeepSeek R1 OpenAI o3-mini Net Delta / Advantage
Input Cost / 1M Tokens $0.55 $1.10 DeepSeek R1 is 2.0x cheaper
Output Cost / 1M Tokens $2.19 $4.40 DeepSeek R1 (50.2% lower)
Prompt Cache Read / 1M $0.140 $0.550 DeepSeek R1 is 3.9x cheaper
Prompt Cache Write / 1M $0.55 $1.10 DeepSeek R1 is 2.0x cheaper
Context Window (Max Output) 131k (33k out) 205k (100k out) OpenAI o3-mini (1.6x larger context)
Avg TTFT Response Latency 1450ms 950ms OpenAI o3-mini (500ms faster)
Generation Speed (Throughput) 58 tok/s 98 tok/s OpenAI o3-mini (+40 tok/s faster)
SWE-bench Verified (Coding) 49.2% 49.3% OpenAI o3-mini (+0.1% lead)
GPQA Diamond (PhD STEM) 71.5% 79.7% OpenAI o3-mini (+8.2% lead)
MMLU-Pro (Multi-Discipline) 84% 83.2% DeepSeek R1 (+0.8% lead)
MATH-500 (Quantitative Logic) 97.3% 97.9% OpenAI o3-mini (+0.6% lead)
Inference Value Score (IVR) 64.8 / 100 59.7 / 100 DeepSeek R1 (+5.1 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.

25.0M Tokens
500K 50M 250M 500M+
5.0M Tokens
100K 25M 75M 150M+
50% Cached
0% (Uncached) 25% 50% (Typical Agent) 95% Max

Estimated Monthly Spend

DeepSeek R1 $19.58

$0.55/1M in · $2.19/1M out

Prompt Cache: $0.140/1M read · $0.55/1M write

OpenAI o3-mini $42.63

$1.10/1M in · $4.40/1M out

Prompt Cache: $0.550/1M read · $1.10/1M write

Projected Monthly Cost Reduction
$23.05 / mo
(54.1% lower cost with DeepSeek R1)
Open Full Matchup Analysis →
A

When to Choose DeepSeek R1

Deploy DeepSeek R1 when your architecture requires 49.2% SWE-bench coding accuracy, 71.5% GPQA Diamond reasoning, and 131k context at $0.55/1M input ($0.140/1M cached read).

B

When to Choose OpenAI o3-mini

Select OpenAI o3-mini for workloads prioritizing 950ms TTFT latency, 98.0 tokens/sec throughput, and $1.10/1M input pricing ($0.550/1M cached read).

Related Questions & Decision Factors

Which is cheaper: DeepSeek R1 or OpenAI o3-mini?

DeepSeek R1 is cheaper at $0.55/1M input tokens ($2.19/1M output) compared to $1.10/1M input ($4.40/1M output) for OpenAI o3-mini.

Which model has lower TTFT latency and higher tok/s throughput: DeepSeek R1 or OpenAI o3-mini?

OpenAI o3-mini delivers faster first-token latency at 950ms TTFT (98 tok/s throughput) compared to 1450ms TTFT (58 tok/s) for DeepSeek R1.

How do DeepSeek R1 and OpenAI o3-mini compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, DeepSeek R1 scores 49.2% versus 49.3% for OpenAI o3-mini. On GPQA Diamond graduate-level STEM reasoning, DeepSeek R1 scores 71.5% versus 79.7% for OpenAI o3-mini (and 97.3% vs 97.9% on MATH-500).

When should you choose DeepSeek R1?

Deploy DeepSeek R1 when your architecture requires 49.2% SWE-bench coding accuracy, 71.5% GPQA Diamond reasoning, and 131k context at $0.55/1M input ($0.140/1M cached read).

When should you choose OpenAI o3-mini?

Select OpenAI o3-mini for workloads prioritizing 950ms TTFT latency, 98.0 tokens/sec throughput, and $1.10/1M input pricing ($0.550/1M cached read).

Explore High-Priority Related Model Matchups