💰 Unit Cost Winner Gemini 4 Argon $2.00/1M in · $10.00/1M 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 Gemini 4 Argon 93.8% GPQA · 98.2% MATH-500

Which model is better: Gemini 4 Argon or GPT-6.1 Sol?

Gemini 4 Argon and GPT-6.1 Sol share identical input pricing at $2.00 per 1M tokens ($10.00 vs. $10.00 output). In terms of operational performance, GPT-6.1 Sol delivers lower response latency at 520ms TTFT (330ms faster than Gemini 4 Argon) with 135 vs. 115 tok/s throughput. GPT-6.1 Sol leads coding evaluations at 86.4% SWE-bench Verified vs. 84.5% for Gemini 4 Argon and 92.4% vs. 93.8% 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 Gemini 4 Argon GPT-6.1 Sol Net Delta / Advantage
Input Cost / 1M Tokens $2.00 $2.00 Identical Pricing
Output Cost / 1M Tokens $10.00 $10.00 Identical Output Pricing
Prompt Cache Read / 1M $0.100 $0.100 Identical Cache Read Pricing
Prompt Cache Write / 1M $0.50 $2.00 Gemini 4 Argon is 4.0x cheaper
Context Window (Max Output) 1,024k (1000k out) 1,075k (128k out) GPT-6.1 Sol (1.1x larger context)
Avg TTFT Response Latency 850ms 520ms GPT-6.1 Sol (330ms faster)
Generation Speed (Throughput) 115 tok/s 135 tok/s GPT-6.1 Sol (+20 tok/s faster)
SWE-bench Verified (Coding) 84.5% 86.4% GPT-6.1 Sol (+1.9% lead)
GPQA Diamond (PhD STEM) 93.8% 92.4% Gemini 4 Argon (+1.4% lead)
MMLU-Pro (Multi-Discipline) 91.4% 91% Gemini 4 Argon (+0.4% lead)
MATH-500 (Quantitative Logic) 98.2% 98.8% GPT-6.1 Sol (+0.6% lead)
Inference Value Score (IVR) 62.6 / 100 62.9 / 100 GPT-6.1 Sol (+0.3 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

Gemini 4 Argon $76.25

$2.00/1M in · $10.00/1M out

Prompt Cache: $0.100/1M read · $0.50/1M 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
$0.00 / mo
(Identical monthly cost)
Open Full Matchup Analysis →
A

When to Choose Gemini 4 Argon

Choose Gemini 4 Argon (Google) for engineered with a 1M output token limit for long-horizon software engineering, cybersecurity vulnerability remediation, and deep multimodal enterprise work across legal and financial domains — offering a 1,024k context window, 850ms TTFT, and $2.00/1M input pricing ($0.100/1M 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: Gemini 4 Argon or GPT-6.1 Sol?

Both Gemini 4 Argon and GPT-6.1 Sol share identical input pricing at $2.00/1M tokens.

Which model has lower TTFT latency and higher tok/s throughput: Gemini 4 Argon or GPT-6.1 Sol?

GPT-6.1 Sol delivers faster first-token latency at 520ms TTFT (135 tok/s throughput) compared to 850ms TTFT (115 tok/s) for Gemini 4 Argon.

How do Gemini 4 Argon and GPT-6.1 Sol compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, Gemini 4 Argon scores 84.5% versus 86.4% for GPT-6.1 Sol. On GPQA Diamond graduate-level STEM reasoning, Gemini 4 Argon scores 93.8% versus 92.4% for GPT-6.1 Sol (and 98.2% vs 98.8% on MATH-500).

When should you choose Gemini 4 Argon?

Choose Gemini 4 Argon (Google) for engineered with a 1M output token limit for long-horizon software engineering, cybersecurity vulnerability remediation, and deep multimodal enterprise work across legal and financial domains — offering a 1,024k context window, 850ms TTFT, and $2.00/1M input pricing ($0.100/1M 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