Model Comparison
o3-pro
vs. Phi-4
Comparing 2 AI models · 12 benchmarks · OpenAI, Microsoft
Recommended Pick
MiPhi-46 metric winsStrongest on: Value, Input price, Output price
Best Value
Phi-4
100.0 value score
28.3 reasoning / $0.22/1M
Lowest Price
Phi-4
$0.13/1M input price
Best Reasoning
o3-pro
58.5 reasoning score
Blends available reasoning benchmarks
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
Phi-4 has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Phi-4 is 160x cheaper on input tokens than o3-pro.
Speed gap
o3-pro generates about 1.1x as many tokens per second as Phi-4.
Reasoning gap
o3-pro leads Phi-4 by 30.2 points on reasoning.
Top-pick rationale
Phi-4 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.
o3-pro
OpenAI
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Phi-4
Microsoft
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Op o3-pro | Top Pick Mi Phi-4 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $20.00/1M | $0.13/1M |
| Output Cost | $80.00/1M | $0.50/1M |
| Blended (3:1) | $35.00/1M | $0.22/1M |
| Specifications | ||
| Organization | OpenAI | Microsoft |
| Release Date | Jun 10, 2025 | Dec 12, 2024 |
| Performance & Speed | ||
| Throughput | 31.3 tok/s | 29.5 tok/s |
| TTFT | 61632ms | 603ms |
| Latency | 61632ms | 603ms |
| Composite Indices | ||
| Value Score | 1.3 | 100.0 |
| Reasoning Score | 58.5 | 28.3 |
| Intelligence | 32.5 | 4.9 |
| Math | — | 18.0 |
| Standard Benchmarks | ||
| GPQA | 84.5% | 57.5% |
| MMLU Pro | — | 71.4% |
| HLE | — | 4.1% |
| LiveCodeBench | — | 23.1% |
| MATH 500 | — | 81.0% |
| AIME 2025 | — | 18.0% |
| AIME (Original) | — | 14.3% |
| SciCode | — | 26.0% |
| LCR | — | 0.0% |
| IFBench | — | 23.5% |
| TAU-bench v2 | — | 0.0% |
| TerminalBench Hard | — | 3.8% |
Key Takeaways
Phi-4 offers the best value at $0.13/1M,making it ideal for high-volume applications and cost-conscious projects.
o3-pro has the strongest reasoning profile with a 58.5 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
o3-pro
- Complex reasoning tasks
- Research & analysis
Phi-4
- Cost-sensitive applications
- High-volume processing
