Model Comparison
Claude Opus 5 (Adaptive Reasoning, High Effort)
vs. Gemini 3.1 Pro Preview
Comparing 2 AI models · 7 benchmarks · Anthropic, Google
Recommended Pick
GoGemini 3.1 Pro Preview8 metric winsStrongest on: Value, Input price, Output price
Best Value
Gemini 3.1 Pro Preview
100.0 value score
61.8 reasoning / $4.50/1M
Lowest Price
Gemini 3.1 Pro Preview
$2.00/1M input price
Best Reasoning
Claude Opus 5 (Adaptive Reasoning, High Effort)
67.8 reasoning score
Blends available reasoning benchmarks
Best for Coding
Claude Opus 5 (Adaptive Reasoning, High Effort)
76.5 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
Gemini 3.1 Pro Preview has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Gemini 3.1 Pro Preview is 2.5x cheaper on input tokens than Claude Opus 5 (Adaptive Reasoning, High Effort).
Speed gap
Gemini 3.1 Pro Preview generates about 2.6x as many tokens per second as Claude Opus 5 (Adaptive Reasoning, High Effort).
Reasoning gap
Claude Opus 5 (Adaptive Reasoning, High Effort) leads Gemini 3.1 Pro Preview by 6.0 points on reasoning.
Coding gap
Claude Opus 5 (Adaptive Reasoning, High Effort) leads Gemini 3.1 Pro Preview by 7.7 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Claude Opus 5 (Adaptive Reasoning, High Effort)
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 3.1 Pro Preview
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 (Adaptive Reasoning, High Effort) | Top Pick Go Gemini 3.1 Pro Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $5.00/1M | $2.00/1M |
| Output Cost | $25.00/1M | $12.00/1M |
| Blended (3:1) | $10.00/1M | $4.50/1M |
| Specifications | ||
| Organization | Anthropic | |
| Release Date | Jul 24, 2026 | Feb 19, 2026 |
| Performance & Speed | ||
| Throughput | 50.1 tok/s | 132.2 tok/s |
| TTFT | 10052ms | 30979ms |
| Latency | 10052ms | 30979ms |
| Composite Indices | ||
| Value Score | 49.4 | 100.0 |
| Reasoning Score | 67.8 | 61.8 |
| Intelligence | 58.9 | 46.5 |
| Coding | 76.5 | 68.8 |
| Standard Benchmarks | ||
| GPQA | 93.7% | 94.1% |
| HLE | 50.7% | 44.7% |
| SciCode | 54.3% | 58.9% |
| LCR | 67.0% | 72.7% |
| IFBench | — | 77.1% |
| TAU-bench v2 | — | 95.6% |
| TerminalBench Hard | — | 53.8% |
Key Takeaways
Gemini 3.1 Pro Preview offers the best value at $2.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Claude Opus 5 (Adaptive Reasoning, High Effort) has the strongest reasoning profile with a 67.8 reasoning score,combining the available reasoning-heavy benchmarks.
Claude Opus 5 (Adaptive Reasoning, High Effort) reaches a 76.5 coding index,making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Claude Opus 5 (Adaptive Reasoning, High Effort)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Gemini 3.1 Pro Preview
- Cost-sensitive applications
- High-volume processing
