Model Comparison
Claude 4.5 Sonnet (Reasoning)
vs. GPT-5.6 Sol (max)
Comparing 2 AI models · 0 benchmarks · Anthropic, OpenAI
Recommended Pick
OpGPT-5.6 Sol (max)5 metric winsStrongest on: Value, Throughput, Reasoning
Best Value
GPT-5.6 Sol (max)
100.0 value score
60.9 reasoning / $8.00/1M
Lowest Price
Claude 4.5 Sonnet (Reasoning)
$3.00/1M input price
Best Reasoning
GPT-5.6 Sol (max)
60.9 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-5.6 Sol (max)
77.4 coding index
Differences That Matter
Best value
GPT-5.6 Sol (max) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Claude 4.5 Sonnet (Reasoning) is 1.3x cheaper on input tokens than GPT-5.6 Sol (max).
Speed gap
GPT-5.6 Sol (max) generates about 1.4x as many tokens per second as Claude 4.5 Sonnet (Reasoning).
Reasoning gap
GPT-5.6 Sol (max) leads Claude 4.5 Sonnet (Reasoning) by 23.5 points on reasoning.
Coding gap
GPT-5.6 Sol (max) leads Claude 4.5 Sonnet (Reasoning) by 25.3 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Claude 4.5 Sonnet (Reasoning)
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-5.6 Sol (max)
OpenAI
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 4.5 Sonnet (Reasoning) | Top Pick Op GPT-5.6 Sol (max) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $3.00/1M | $4.00/1M |
| Output Cost | $15.00/1M | $20.00/1M |
| Blended (3:1) | $6.00/1M | $8.00/1M |
| Specifications | ||
| Organization | Anthropic | OpenAI |
| Release Date | Sep 29, 2025 | Jul 9, 2026 |
| Performance & Speed | ||
| Throughput | 50.0 tok/s | 70.3 tok/s |
| TTFT | 18430ms | 112710ms |
| Latency | 18430ms | 112710ms |
| Composite Indices | ||
| Value Score | 81.9 | 100.0 |
| Reasoning Score | 37.4 | 60.9 |
| Intelligence | 37.4 | 60.9 |
| Coding | 52.1 | 77.4 |
Key Takeaways
Claude 4.5 Sonnet (Reasoning) offers the best value at $3.00/1M,making it ideal for high-volume applications and cost-conscious projects.
GPT-5.6 Sol (max) has the strongest reasoning profile with a 60.9 reasoning score,combining the available reasoning-heavy benchmarks.
GPT-5.6 Sol (max) reaches a 77.4 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 4.5 Sonnet (Reasoning)
- Cost-sensitive applications
- High-volume processing
GPT-5.6 Sol (max)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
