Which model is better: Claude Opus 5.5 or Gemini 4 Argon?
Gemini 4 Argon is 50.0% cheaper for input tokens ($2.00 vs. $4.00 per 1M tokens) and $10.00 vs. $20.00 for output tokens (2.0x cost advantage). In terms of operational performance, Claude Opus 5.5 delivers lower response latency at 680ms TTFT (170ms faster than Gemini 4 Argon) with 95 vs. 115 tok/s throughput. Claude Opus 5.5 leads coding evaluations at 89.9% SWE-bench Verified vs. 84.5% for Gemini 4 Argon and 93.2% vs. 93.8% 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
Claude Opus 5.5
Gemini 4 Argon
Net Delta / Advantage
Input Cost / 1M Tokens
$4.00
$2.00
Gemini 4 Argon is 2.0x cheaper
Output Cost / 1M Tokens
$20.00
$10.00
Gemini 4 Argon (50.0% lower)
Prompt Cache Read / 1M
$0.200
$0.100
Gemini 4 Argon is 2.0x cheaper
Prompt Cache Write / 1M
$5.00
$0.50
Gemini 4 Argon is 10.0x cheaper
Context Window (Max Output)
1,024k (128k out)
1,024k (1000k out)
Equal Context Window
Avg TTFT Response Latency
680ms
850ms
Claude Opus 5.5 (170ms faster)
Generation Speed (Throughput)
95 tok/s
115 tok/s
Gemini 4 Argon (+20 tok/s faster)
SWE-bench Verified (Coding)
89.9%
84.5%
Claude Opus 5.5 (+5.4% lead)
GPQA Diamond (PhD STEM)
93.2%
93.8%
Gemini 4 Argon (+0.6% lead)
MMLU-Pro (Multi-Discipline)
92.1%
91.4%
Claude Opus 5.5 (+0.7% lead)
MATH-500 (Quantitative Logic)
98%
98.2%
Gemini 4 Argon (+0.2% lead)
Inference Value Score (IVR)
57.8 / 100
62.6 / 100
Gemini 4 Argon (+4.8 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
Choose Claude Opus 5.5 (Anthropic) for top-ranked frontier intelligence leader for autonomous multi-step agentic coding, repository-scale migrations, and complex scientific reasoning at a 40% lower workload cost than Opus 5 — offering a 1,024k context window, 680ms TTFT, and $4.00/1M input pricing ($0.200/1M 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: Claude Opus 5.5 or Gemini 4 Argon?
Gemini 4 Argon is cheaper at $2.00/1M input tokens ($10.00/1M output) compared to $4.00/1M input ($20.00/1M output) for Claude Opus 5.5.
Which model has lower TTFT latency and higher tok/s throughput: Claude Opus 5.5 or Gemini 4 Argon?
Claude Opus 5.5 delivers faster first-token latency at 680ms TTFT (95 tok/s throughput) compared to 850ms TTFT (115 tok/s) for Gemini 4 Argon.
How do Claude Opus 5.5 and Gemini 4 Argon compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Claude Opus 5.5 scores 89.9% versus 84.5% for Gemini 4 Argon. On GPQA Diamond graduate-level STEM reasoning, Claude Opus 5.5 scores 93.2% versus 93.8% for Gemini 4 Argon (and 98% vs 98.2% on MATH-500).
When should you choose Claude Opus 5.5?
Choose Claude Opus 5.5 (Anthropic) for top-ranked frontier intelligence leader for autonomous multi-step agentic coding, repository-scale migrations, and complex scientific reasoning at a 40% lower workload cost than Opus 5 — offering a 1,024k context window, 680ms TTFT, and $4.00/1M input pricing ($0.200/1M 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).
