💰 Unit Cost Winner OpenAI o3-mini $1.10/1M in · $4.40/1M out
⚡ Latency & Speed Winner Gemini 4 Argon 850ms TTFT · 115 tok/s
💻 Coding (SWE) Winner Gemini 4 Argon 84.5% SWE-bench · 96.3% HumanEval
🧠 STEM Reasoning Winner Gemini 4 Argon 93.8% GPQA · 98.2% MATH-500

Which model is better: Gemini 4 Argon or OpenAI o3-mini?

OpenAI o3-mini is 45.0% cheaper for input tokens ($1.10 vs. $2.00 per 1M tokens) and $4.40 vs. $10.00 for output tokens (1.8x cost advantage). In terms of operational performance, Gemini 4 Argon delivers lower response latency at 850ms TTFT (100ms faster than OpenAI o3-mini) with 115 vs. 98 tok/s throughput. Gemini 4 Argon leads coding evaluations at 84.5% SWE-bench Verified vs. 49.3% for OpenAI o3-mini and 93.8% vs. 79.7% 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 OpenAI o3-mini Net Delta / Advantage
Input Cost / 1M Tokens $2.00 $1.10 OpenAI o3-mini is 1.8x cheaper
Output Cost / 1M Tokens $10.00 $4.40 OpenAI o3-mini (56.0% lower)
Prompt Cache Read / 1M $0.100 $0.550 Gemini 4 Argon is 5.5x cheaper
Prompt Cache Write / 1M $0.50 $1.10 Gemini 4 Argon is 2.2x cheaper
Context Window (Max Output) 1,024k (1000k out) 205k (100k out) Gemini 4 Argon (5.0x larger context)
Avg TTFT Response Latency 850ms 950ms Gemini 4 Argon (100ms faster)
Generation Speed (Throughput) 115 tok/s 98 tok/s Gemini 4 Argon (+17 tok/s faster)
SWE-bench Verified (Coding) 84.5% 49.3% Gemini 4 Argon (+35.2% lead)
GPQA Diamond (PhD STEM) 93.8% 79.7% Gemini 4 Argon (+14.1% lead)
MMLU-Pro (Multi-Discipline) 91.4% 83.2% Gemini 4 Argon (+8.2% lead)
MATH-500 (Quantitative Logic) 98.2% 97.9% Gemini 4 Argon (+0.3% lead)
Inference Value Score (IVR) 62.6 / 100 59.7 / 100 Gemini 4 Argon (+2.9 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

Gemini 4 Argon $76.25

$2.00/1M in · $10.00/1M out

Prompt Cache: $0.100/1M read · $0.50/1M 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
$33.63 / mo
(44.1% lower cost with OpenAI o3-mini)
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 OpenAI o3-mini

Choose OpenAI o3-mini (OpenAI) for competitive math reasoning, automated unit test generation, and structured logic pipelines — offering a 204k context window, 950ms TTFT, and $1.10/1M input pricing ($0.550/1M cached reads).

Related Questions & Decision Factors

Which is cheaper: Gemini 4 Argon or OpenAI o3-mini?

OpenAI o3-mini is cheaper at $1.10/1M input tokens ($4.40/1M output) compared to $2.00/1M input ($10.00/1M output) for Gemini 4 Argon.

Which model has lower TTFT latency and higher tok/s throughput: Gemini 4 Argon or OpenAI o3-mini?

Gemini 4 Argon delivers faster first-token latency at 850ms TTFT (115 tok/s throughput) compared to 950ms TTFT (98 tok/s) for OpenAI o3-mini.

How do Gemini 4 Argon and OpenAI o3-mini compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, Gemini 4 Argon scores 84.5% versus 49.3% for OpenAI o3-mini. On GPQA Diamond graduate-level STEM reasoning, Gemini 4 Argon scores 93.8% versus 79.7% for OpenAI o3-mini (and 98.2% vs 97.9% 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 OpenAI o3-mini?

Choose OpenAI o3-mini (OpenAI) for competitive math reasoning, automated unit test generation, and structured logic pipelines — offering a 204k context window, 950ms TTFT, and $1.10/1M input pricing ($0.550/1M cached reads).

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