Key Takeaways
Phi-3 Mini 128K Instruct wins:
- Cheaper input tokens
- Cheaper output tokens
Grok 4 wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
- Has reasoning mode
Price Advantage
Phi-3 Mini 128K Instruct
Benchmark Advantage
Grok 4
Context Window
Grok 4
Speed
Grok 4
Pricing Comparison
Price Comparison
| Metric | Phi-3 Mini 128K Instruct | Grok 4 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.10 | $3.00 | Phi-3 Mini 128K Instruct |
| Output (per 1M tokens) | $0.10 | $15.00 | Phi-3 Mini 128K Instruct |
| Cache Read (per 1M) | N/A | $0.75 | Grok 4 |
Using a 3:1 input/output ratio, Phi-3 Mini 128K Instruct is 98% cheaper overall.
Phi-3 Mini 128K Instruct Providers
No provider data available
Grok 4 Providers
No provider data available
Benchmark Comparison
9
Benchmarks Compared
0
Phi-3 Mini 128K Instruct Wins
3
Grok 4 Wins
Benchmark Scores
| Benchmark | Phi-3 Mini 128K Instruct | Grok 4 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 26.3 | 41.5 | |
Coding Index Code generation & understanding | - | 40.5 | - |
Math Index Mathematical reasoning | - | 92.7 | - |
MMLU Pro Academic knowledge | 30.4 | 86.6 | |
GPQA Graduate-level science | 9.1 | 87.7 | |
LiveCodeBench Competitive programming | - | 81.9 | - |
Aider Real-world code editing | - | 79.6 | - |
AIME Competition math | - | 94.3 | - |
BBH Big-Bench Hard | 37.1 | - | - |
Grok 4 significantly outperforms in coding benchmarks.
Cost vs Quality
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Phi-3 Mini 128K Instruct
Other models
Context & Performance
Context Window
Phi-3 Mini 128K Instruct
128,000
tokens
Grok 4
256,000
tokens
Grok 4 has a 50% larger context window.
Speed Performance
| Metric | Phi-3 Mini 128K Instruct | Grok 4 | Winner |
|---|---|---|---|
| Tokens/second | N/A | 48.1 tok/s | |
| Time to First Token | N/A | 10.29s |
Capabilities
Feature Comparison
| Feature | Phi-3 Mini 128K Instruct | Grok 4 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Phi-3 Mini 128K Instruct | Grok 4 |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Microsoft | Xai |
| Released | Unknown | Jul 2025 |
Phi-3 Mini 128K Instruct Modalities
Input
Output
Grok 4 Modalities
Input
imagetext
Output
text