Model Comparison
Claude Opus 5.5 (Max, Default Fallback)
vs. GPT-6.1 Sol (Max)
Comparing 2 AI models · 0 benchmarks · Anthropic, OpenAI
Recommended Pick
OpGPT-6.1 Sol (Max)6 metric winsStrongest on: Value, Input price, Output price
Best Value
GPT-6.1 Sol (Max)
100.0 value score
51.8 reasoning / $4.00/1M
Lowest Price
GPT-6.1 Sol (Max)
$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
GPT-6.1 Sol (Max) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
GPT-6.1 Sol (Max) is 2.0x cheaper on input tokens than Claude Opus 5.5 (Max, Default Fallback).
Speed gap
Claude Opus 5.5 (Max, Default Fallback) generates about 1.2x as many tokens per second as GPT-6.1 Sol (Max).
Reasoning gap
Claude Opus 5.5 (Max, Default Fallback) leads GPT-6.1 Sol (Max) by 5.8 points on reasoning.
Top-pick rationale
GPT-6.1 Sol (Max) wins 6 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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GPT-6.1 Sol (Max)
OpenAI
TTFT
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Time
—
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 Op GPT-6.1 Sol (Max) |
|---|---|---|
| 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 | OpenAI |
| Release Date | Sep 22, 2026 | Sep 29, 2026 |
| Performance & Speed | ||
| Throughput | 98.4 tok/s | 81.1 tok/s |
| TTFT | 700160ms | 278010ms |
| Latency | 700160ms | 278010ms |
| Composite Indices | ||
| Value Score | 55.6 | 100.0 |
| Reasoning Score | 57.6 | 51.8 |
| Intelligence | 57.6 | 51.8 |
Key Takeaways
GPT-6.1 Sol (Max) 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
GPT-6.1 Sol (Max)
- Cost-sensitive applications
- High-volume processing
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