Model Comparison
Claude 4.5 Haiku (Reasoning)
vs. GPT-5.6 Sol (max)
Comparing 2 AI models · 10 benchmarks · Anthropic, OpenAI
Recommended Pick
OpGPT-5.6 Sol (max)10 metric winsStrongest on: Reasoning, Intelligence, Coding
Best Value
Claude 4.5 Haiku (Reasoning)
100.0 value score
54.8 reasoning / $2.00/1M
Lowest Price
Claude 4.5 Haiku (Reasoning)
$1.00/1M input price
Best Reasoning
GPT-5.6 Sol (max)
66.7 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-5.6 Sol (max)
77.4 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
Claude 4.5 Haiku (Reasoning) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Claude 4.5 Haiku (Reasoning) is 5.0x cheaper on input tokens than GPT-5.6 Sol (max).
Speed gap
Claude 4.5 Haiku (Reasoning) generates about 1.9x as many tokens per second as GPT-5.6 Sol (max).
Reasoning gap
GPT-5.6 Sol (max) leads Claude 4.5 Haiku (Reasoning) by 12.0 points on reasoning.
Coding gap
GPT-5.6 Sol (max) leads Claude 4.5 Haiku (Reasoning) by 33.5 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 Haiku (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 Haiku (Reasoning) | Top Pick Op GPT-5.6 Sol (max) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $1.00/1M | $5.00/1M |
| Output Cost | $5.00/1M | $30.00/1M |
| Blended (3:1) | $2.00/1M | $11.25/1M |
| Specifications | ||
| Organization | Anthropic | OpenAI |
| Release Date | Oct 15, 2025 | Jul 9, 2026 |
| Performance & Speed | ||
| Throughput | 148.1 tok/s | 76.3 tok/s |
| TTFT | 13283ms | 57957ms |
| Latency | 13283ms | 57957ms |
| Composite Indices | ||
| Value Score | 100.0 | 21.7 |
| Reasoning Score | 54.8 | 66.7 |
| Intelligence | 29.6 | 58.9 |
| Coding | 43.9 | 77.4 |
| Math | 83.7 | — |
| Standard Benchmarks | ||
| GPQA | 67.2% | 94.1% |
| MMLU Pro | 76.0% | — |
| HLE | 9.7% | 47.2% |
| LiveCodeBench | 61.5% | — |
| AIME 2025 | 83.7% | — |
| SciCode | 43.3% | 56.1% |
| LCR | 70.3% | 73.7% |
| IFBench | 54.3% | 72.7% |
| TAU-bench v2 | 54.7% | 85.1% |
| TerminalBench Hard | 27.3% | 65.9% |
Key Takeaways
Claude 4.5 Haiku (Reasoning) offers the best value at $1.00/1M,making it ideal for high-volume applications and cost-conscious projects.
GPT-5.6 Sol (max) has the strongest reasoning profile with a 66.7 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 Haiku (Reasoning)
- Cost-sensitive applications
- High-volume processing
GPT-5.6 Sol (max)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
