💰 Unit Cost Winner Gemini 4 Argon $2.00/1M in · $10.00/1M out
⚡ Latency & Speed Winner GPT-5 340ms TTFT · 105 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 GPT-5?

Gemini 4 Argon delivers superior capability and a 20.0% input cost advantage over GPT-5. At $2.00 vs. $2.50 per 1M input tokens ($10.00 output), Gemini leads SWE-bench Verified (84.5% vs. 74.9%) and GPQA Diamond (93.8% vs. 85.4%). Conversely, GPT-5 posts a 340ms TTFT, responding 510ms faster despite lower throughput (105 vs. 115 tok/s).
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-5 Net Delta / Advantage
Input Cost / 1M Tokens $2.00 $2.50 Gemini 4 Argon is 1.3x cheaper
Output Cost / 1M Tokens $10.00 $10.00 Identical Output Pricing
Prompt Cache Read / 1M $0.100 $0.625 Gemini 4 Argon is 6.3x cheaper
Prompt Cache Write / 1M $0.50 $2.50 Gemini 4 Argon is 5.0x cheaper
Context Window (Max Output) 1,024k (1000k out) 410k (128k out) Gemini 4 Argon (2.5x larger context)
Avg TTFT Response Latency 850ms 340ms GPT-5 (510ms faster)
Generation Speed (Throughput) 115 tok/s 105 tok/s Gemini 4 Argon (+10 tok/s faster)
SWE-bench Verified (Coding) 84.5% 74.9% Gemini 4 Argon (+9.6% lead)
GPQA Diamond (PhD STEM) 93.8% 85.4% Gemini 4 Argon (+8.4% lead)
MMLU-Pro (Multi-Discipline) 91.4% 90.8% Gemini 4 Argon (+0.6% lead)
MATH-500 (Quantitative Logic) 98.2% 98% Gemini 4 Argon (+0.2% lead)
Inference Value Score (IVR) 62.6 / 100 59.2 / 100 Gemini 4 Argon (+3.4 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-5 $89.06

$2.50/1M in · $10.00/1M out

Prompt Cache: $0.625/1M read · $2.50/1M write

Projected Monthly Cost Reduction
$12.81 / mo
(14.4% lower cost with Gemini 4 Argon)
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-5

Choose GPT-5 (OpenAI) for complex enterprise automation, full-stack software engineering, multimodal agent orchestration, and scientific synthesis — offering a 409k context window, 340ms TTFT, and $2.50/1M input pricing ($0.625/1M cached reads).

Related Questions & Decision Factors

Which is cheaper: Gemini 4 Argon or GPT-5?

Gemini 4 Argon is cheaper at $2.00/1M input tokens ($10.00/1M output) compared to $2.50/1M input ($10.00/1M output) for GPT-5.

Which model has lower TTFT latency and higher tok/s throughput: Gemini 4 Argon or GPT-5?

GPT-5 delivers faster first-token latency at 340ms TTFT (105 tok/s throughput) compared to 850ms TTFT (115 tok/s) for Gemini 4 Argon.

How do Gemini 4 Argon and GPT-5 compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, Gemini 4 Argon scores 84.5% versus 74.9% for GPT-5. On GPQA Diamond graduate-level STEM reasoning, Gemini 4 Argon scores 93.8% versus 85.4% for GPT-5 (and 98.2% vs 98% 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-5?

Choose GPT-5 (OpenAI) for complex enterprise automation, full-stack software engineering, multimodal agent orchestration, and scientific synthesis — offering a 409k context window, 340ms TTFT, and $2.50/1M input pricing ($0.625/1M cached reads).

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