Key Takeaways
Phi 4 wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Phi 4 Reasoning Plus wins:
- Larger context window
- Has reasoning mode
Price Advantage
Phi 4
Benchmark Advantage
Phi 4
Context Window
Phi 4 Reasoning Plus
Speed
Phi 4
Pricing Comparison
Price Comparison
| Metric | Phi 4 | Phi 4 Reasoning Plus | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.06 | $0.07 | Phi 4 |
| Output (per 1M tokens) | $0.14 | $0.35 | Phi 4 |
Using a 3:1 input/output ratio, Phi 4 is 43% cheaper overall.
Phi 4 Providers
No provider data available
Phi 4 Reasoning Plus Providers
No provider data available
Benchmark Comparison
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Benchmarks Compared
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Phi 4 Wins
0
Phi 4 Reasoning Plus Wins
Benchmark Scores
| Benchmark | Phi 4 | Phi 4 Reasoning Plus | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 10.4 | - | - |
Coding Index Code generation & understanding | 11.2 | - | - |
Math Index Mathematical reasoning | 18.0 | - | - |
MMLU Pro Academic knowledge | 71.4 | - | - |
GPQA Graduate-level science | 57.5 | - | - |
LiveCodeBench Competitive programming | 23.1 | - | - |
AIME Competition math | 14.3 | - | - |
Phi 4 significantly outperforms in coding benchmarks.
Cost vs Quality
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Phi 4
Other models
Context & Performance
Context Window
Phi 4
16,384
tokens
Phi 4 Reasoning Plus
32,000
tokens
Phi 4 Reasoning Plus has a 49% larger context window.
Speed Performance
| Metric | Phi 4 | Phi 4 Reasoning Plus | Winner |
|---|---|---|---|
| Tokens/second | 10.0 tok/s | N/A | |
| Time to First Token | 2.13s | N/A |
Capabilities
Feature Comparison
| Feature | Phi 4 | Phi 4 Reasoning Plus |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Phi 4 | Phi 4 Reasoning Plus |
|---|---|---|
| License | Open Source | Open Source |
| Author | Microsoft | Microsoft |
| Released | Jan 2025 | Unknown |
Phi 4 Modalities
Input
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Output
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Phi 4 Reasoning Plus Modalities
Input
Output