Which model is better: Gemini 3.8 Flash or Gemini 4 Argon?
Gemini 3.8 Flash is 87.5% cheaper for input tokens ($0.25 vs. $2.00 per 1M tokens) and $1.50 vs. $10.00 for output tokens (8.0x cost advantage). In terms of operational performance, Gemini 3.8 Flash delivers lower response latency at 105ms TTFT (745ms faster than Gemini 4 Argon) with 210 vs. 115 tok/s throughput. Gemini 4 Argon leads coding evaluations at 84.5% SWE-bench Verified vs. 68.5% for Gemini 3.8 Flash and 93.8% vs. 79.2% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.
Zero-Shot RAG Verified
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 3.8 Flash
Gemini 4 Argon
Net Delta / Advantage
Input Cost / 1M Tokens
$0.25
$2.00
Gemini 3.8 Flash is 8.0x cheaper
Output Cost / 1M Tokens
$1.50
$10.00
Gemini 3.8 Flash (85.0% lower)
Prompt Cache Read / 1M
$0.025
$0.100
Gemini 3.8 Flash is 4.0x cheaper
Prompt Cache Write / 1M
$0.25
$0.50
Gemini 3.8 Flash is 2.0x cheaper
Context Window (Max Output)
1,049k (66k out)
1,024k (1000k out)
Gemini 3.8 Flash (1.0x larger context)
Avg TTFT Response Latency
105ms
850ms
Gemini 3.8 Flash (745ms faster)
Generation Speed (Throughput)
210 tok/s
115 tok/s
Gemini 3.8 Flash (+95 tok/s faster)
SWE-bench Verified (Coding)
68.5%
84.5%
Gemini 4 Argon (+16.0% lead)
GPQA Diamond (PhD STEM)
79.2%
93.8%
Gemini 4 Argon (+14.6% lead)
MMLU-Pro (Multi-Discipline)
87.4%
91.4%
Gemini 4 Argon (+4.0% lead)
MATH-500 (Quantitative Logic)
95.1%
98.2%
Gemini 4 Argon (+3.1% lead)
Inference Value Score (IVR)
74 / 100
62.6 / 100
Gemini 3.8 Flash (+11.4 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
Choose Gemini 3.8 Flash (Google) for high-throughput agentic workflows, real-time multimodal RAG, live search grounding, and production code generation at flash unit economics — offering a 1,048k context window, 105ms TTFT, and $0.25/1M input pricing ($0.025/1M cached reads).
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).
Which is cheaper: Gemini 3.8 Flash or Gemini 4 Argon?
Gemini 3.8 Flash is cheaper at $0.25/1M input tokens ($1.50/1M 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 3.8 Flash or Gemini 4 Argon?
Gemini 3.8 Flash delivers faster first-token latency at 105ms TTFT (210 tok/s throughput) compared to 850ms TTFT (115 tok/s) for Gemini 4 Argon.
How do Gemini 3.8 Flash and Gemini 4 Argon compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Gemini 3.8 Flash scores 68.5% versus 84.5% for Gemini 4 Argon. On GPQA Diamond graduate-level STEM reasoning, Gemini 3.8 Flash scores 79.2% versus 93.8% for Gemini 4 Argon (and 95.1% vs 98.2% on MATH-500).
When should you choose Gemini 3.8 Flash?
Choose Gemini 3.8 Flash (Google) for high-throughput agentic workflows, real-time multimodal RAG, live search grounding, and production code generation at flash unit economics — offering a 1,048k context window, 105ms TTFT, and $0.25/1M input pricing ($0.025/1M cached reads).
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).
