Model Comparison
Claude Opus 5.5 (Max, Default Fallback)
vs. Gemini 4 Argon (High)
Comparing 2 AI models · 0 benchmarks · Anthropic, Google
Recommended Pick
GoGemini 4 Argon (High)4 metric winsStrongest on: Value, Input price, Output price
Best Value
Gemini 4 Argon (High)
100.0 value score
52.6 reasoning / $4.00/1M
Lowest Price
Gemini 4 Argon (High)
$2.00/1M input price
Best Reasoning
Claude Opus 5.5 (Max, Default Fallback)
57.6 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Best value
Gemini 4 Argon (High) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Gemini 4 Argon (High) is 2.0x cheaper on input tokens than Claude Opus 5.5 (Max, Default Fallback).
Reasoning gap
Claude Opus 5.5 (Max, Default Fallback) leads Gemini 4 Argon (High) by 5.0 points on reasoning.
Top-pick rationale
Gemini 4 Argon (High) wins 4 measurable categories, including Value, Input price, Output price, Blended price.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Claude Opus 5.5 (Max, Default Fallback)
Anthropic
TTFT
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Time
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tok/s
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Tokens
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Cost
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Gemini 4 Argon (High)
TTFT
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Time
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tok/s
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Tokens
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Cost
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Which answer was more useful?
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Full Comparison
| Metric | An Claude Opus 5.5 (Max, Default Fallback) | Top Pick Go Gemini 4 Argon (High) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $4.00/1M | $2.00/1M |
| Output Cost | $20.00/1M | $10.00/1M |
| Blended (3:1) | $8.00/1M | $4.00/1M |
| Specifications | ||
| Organization | Anthropic | |
| Release Date | Sep 22, 2026 | Sep 30, 2026 |
| Performance & Speed | ||
| Throughput | 93.0 tok/s | — |
| TTFT | 717480ms | — |
| Latency | 717480ms | — |
| Composite Indices | ||
| Value Score | 54.8 | 100.0 |
| Reasoning Score | 57.6 | 52.6 |
| Intelligence | 57.6 | 52.6 |
Key Takeaways
Gemini 4 Argon (High) offers the best value at $2.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Claude Opus 5.5 (Max, Default Fallback) has the strongest reasoning profile with a 57.6 reasoning score,combining the available reasoning-heavy benchmarks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Claude Opus 5.5 (Max, Default Fallback)
- Complex reasoning tasks
- Research & analysis
Gemini 4 Argon (High)
- Cost-sensitive applications
- High-volume processing
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