💰 Unit Cost Winner DeepSeek R1 $0.55/1M in · $2.19/1M out
⚡ Latency & Speed Winner GPT-6.1 Sol 520ms TTFT · 135 tok/s
💻 Coding (SWE) Winner GPT-6.1 Sol 86.4% SWE-bench · 96.8% HumanEval
🧠 STEM Reasoning Winner GPT-6.1 Sol 92.4% GPQA · 98.8% MATH-500

Which model is better: DeepSeek R1 or GPT-6.1 Sol?

DeepSeek R1 is 72.5% cheaper for input tokens ($0.55 vs. $2.00 per 1M tokens) and $2.19 vs. $10.00 for output tokens (3.6x cost advantage). In terms of operational performance, GPT-6.1 Sol delivers lower response latency at 520ms TTFT (930ms faster than DeepSeek R1) with 135 vs. 58 tok/s throughput. GPT-6.1 Sol leads coding evaluations at 86.4% SWE-bench Verified vs. 49.2% for DeepSeek R1 and 92.4% vs. 71.5% on GPQA Diamond.
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 GPT-6.1 Sol Net Delta / Advantage
Input Cost / 1M Tokens $0.55 $2.00 DeepSeek R1 is 3.6x cheaper
Output Cost / 1M Tokens $2.19 $10.00 DeepSeek R1 (78.1% lower)
Prompt Cache Read / 1M $0.140 $0.100 GPT-6.1 Sol is 1.4x cheaper
Prompt Cache Write / 1M $0.55 $2.00 DeepSeek R1 is 3.6x cheaper
Context Window (Max Output) 131k (33k out) 1,075k (128k out) GPT-6.1 Sol (8.2x larger context)
Avg TTFT Response Latency 1450ms 520ms GPT-6.1 Sol (930ms faster)
Generation Speed (Throughput) 58 tok/s 135 tok/s GPT-6.1 Sol (+77 tok/s faster)
SWE-bench Verified (Coding) 49.2% 86.4% GPT-6.1 Sol (+37.2% lead)
GPQA Diamond (PhD STEM) 71.5% 92.4% GPT-6.1 Sol (+20.9% lead)
MMLU-Pro (Multi-Discipline) 84% 91% GPT-6.1 Sol (+7.0% lead)
MATH-500 (Quantitative Logic) 97.3% 98.8% GPT-6.1 Sol (+1.5% lead)
Inference Value Score (IVR) 64.8 / 100 62.9 / 100 DeepSeek R1 (+1.9 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

GPT-6.1 Sol $76.25

$2.00/1M in · $10.00/1M out

Prompt Cache: $0.100/1M read · $2.00/1M write

Projected Monthly Cost Reduction
$56.68 / mo
(74.3% lower cost with DeepSeek R1)
Open Full Matchup Analysis →
A

When to Choose DeepSeek R1

Choose DeepSeek R1 (DeepSeek) for open-weight chain-of-thought reasoning, synthetic data distillation, and complex mathematical verification — offering a 131k context window, 1450ms TTFT, and $0.55/1M input pricing ($0.140/1M cached reads).

B

When to Choose GPT-6.1 Sol

Choose GPT-6.1 Sol (OpenAI) for delivers near-GPT-6 Astra frontier accuracy at one-fifth the token cost with a 95% cache read discount for high-efficiency agentic coding, computer use, and enterprise workflow automation — offering a 1,075k context window, 520ms TTFT, and $2.00/1M input pricing ($0.100/1M cached reads).

Related Questions & Decision Factors

Which is cheaper: DeepSeek R1 or GPT-6.1 Sol?

DeepSeek R1 is cheaper at $0.55/1M input tokens ($2.19/1M output) compared to $2.00/1M input ($10.00/1M output) for GPT-6.1 Sol.

Which model has lower TTFT latency and higher tok/s throughput: DeepSeek R1 or GPT-6.1 Sol?

GPT-6.1 Sol delivers faster first-token latency at 520ms TTFT (135 tok/s throughput) compared to 1450ms TTFT (58 tok/s) for DeepSeek R1.

How do DeepSeek R1 and GPT-6.1 Sol compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, DeepSeek R1 scores 49.2% versus 86.4% for GPT-6.1 Sol. On GPQA Diamond graduate-level STEM reasoning, DeepSeek R1 scores 71.5% versus 92.4% for GPT-6.1 Sol (and 97.3% vs 98.8% on MATH-500).

When should you choose DeepSeek R1?

Choose DeepSeek R1 (DeepSeek) for open-weight chain-of-thought reasoning, synthetic data distillation, and complex mathematical verification — offering a 131k context window, 1450ms TTFT, and $0.55/1M input pricing ($0.140/1M cached reads).

When should you choose GPT-6.1 Sol?

Choose GPT-6.1 Sol (OpenAI) for delivers near-GPT-6 Astra frontier accuracy at one-fifth the token cost with a 95% cache read discount for high-efficiency agentic coding, computer use, and enterprise workflow automation — offering a 1,075k context window, 520ms TTFT, and $2.00/1M input pricing ($0.100/1M cached reads).

Explore High-Priority Related Model Matchups