Model Comparison
GPT-4.5 (Preview)
vs. GPT-4o (Nov '24)
Comparing 2 AI models · 12 benchmarks · OpenAI
Recommended Pick
Op GPT-4.5 (Preview) 5 metric wins Strongest on: Input price, Output price, TTFT
Lowest Price
GPT-4.5 (Preview)
$0.00/1M input price
Best Reasoning
GPT-4o (Nov '24)
25.4 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-4o (Nov '24)
16.7 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
GPT-4.5 (Preview) is ∞x cheaper on input tokens than GPT-4o (Nov '24).
Reasoning gap
GPT-4o (Nov '24) leads GPT-4.5 (Preview) by 5.4 points on reasoning.
Top-pick rationale
GPT-4.5 (Preview) wins 5 measurable categories, including Input price, Output price, TTFT, Latency.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
GPT-4.5 (Preview)
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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GPT-4o (Nov '24)
OpenAI
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Top Pick Op GPT-4.5 (Preview) | Op GPT-4o (Nov '24) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $2.50/1M |
| Output Cost | $0.00/1M | $10.00/1M |
| Blended (3:1) | — | $4.38/1M |
| Specifications | ||
| Organization | OpenAI | OpenAI |
| Release Date | Feb 27, 2025 | Nov 20, 2024 |
| Performance & Speed | ||
| Throughput | — | 125.9 tok/s |
| TTFT | — | 509ms |
| Latency | — | 509ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 20.0 | 25.4 |
| Intelligence | 20.0 | 17.3 |
| Coding | — | 16.7 |
| Math | — | 6.0 |
| Standard Benchmarks | ||
| GPQA | — | 54.3% |
| MMLU Pro | — | 74.8% |
| HLE | — | 3.3% |
| LiveCodeBench | — | 30.9% |
| MATH 500 | — | 75.9% |
| AIME 2025 | — | 6.0% |
| AIME (Original) | — | 15.0% |
| SciCode | — | 33.3% |
| LCR | — | 0.0% |
| IFBench | — | 34.3% |
| TAU-bench v2 | — | 25.1% |
| TerminalBench Hard | — | 8.3% |
Key Takeaways
GPT-4.5 (Preview) offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
GPT-4o (Nov '24) has the strongest reasoning profile with a 25.4 reasoning score, combining the available reasoning-heavy benchmarks.
GPT-4o (Nov '24) reaches a 16.7 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
GPT-4.5 (Preview)
- Cost-sensitive applications
- High-volume processing
GPT-4o (Nov '24)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
