Key Takeaways
Phi-3 Medium 128K Instruct wins:
- No clear advantages in compared metrics
Grok 3 Mini wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Has reasoning mode
Price Advantage
Grok 3 Mini
Benchmark Advantage
Grok 3 Mini
Context Window
Grok 3 Mini
Speed
Grok 3 Mini
Pricing Comparison
Price Comparison
| Metric | Phi-3 Medium 128K Instruct | Grok 3 Mini | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $1.00 | $0.25 | Grok 3 Mini |
| Output (per 1M tokens) | $1.00 | $0.50 | Grok 3 Mini |
| Cache Read (per 1M) | N/A | $0.07 | Grok 3 Mini |
Using a 3:1 input/output ratio, Grok 3 Mini is 69% cheaper overall.
Phi-3 Medium 128K Instruct Providers
No provider data available
Grok 3 Mini Providers
No provider data available
Benchmark Comparison
8
Benchmarks Compared
0
Phi-3 Medium 128K Instruct Wins
2
Grok 3 Mini Wins
Benchmark Scores
| Benchmark | Phi-3 Medium 128K Instruct | Grok 3 Mini | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 32.0 | 32.1 | - |
Coding Index Code generation & understanding | - | 25.2 | - |
Math Index Mathematical reasoning | - | 84.7 | - |
MMLU Pro Academic knowledge | 41.2 | 82.8 | |
GPQA Graduate-level science | 11.5 | 79.1 | |
LiveCodeBench Competitive programming | - | 69.6 | - |
AIME Competition math | - | 93.3 | - |
BBH Big-Bench Hard | 48.5 | - | - |
Grok 3 Mini significantly outperforms in coding benchmarks.
Cost vs Quality
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Phi-3 Medium 128K Instruct
Other models
Context & Performance
Context Window
Phi-3 Medium 128K Instruct
128,000
tokens
Grok 3 Mini
131,072
tokens
Grok 3 Mini has a 2% larger context window.
Speed Performance
| Metric | Phi-3 Medium 128K Instruct | Grok 3 Mini | Winner |
|---|---|---|---|
| Tokens/second | N/A | 196.6 tok/s | |
| Time to First Token | N/A | 0.47s |
Capabilities
Feature Comparison
| Feature | Phi-3 Medium 128K Instruct | Grok 3 Mini |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Phi-3 Medium 128K Instruct | Grok 3 Mini |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Microsoft | Xai |
| Released | Unknown | Jun 2025 |
Phi-3 Medium 128K Instruct Modalities
Input
Output
Grok 3 Mini Modalities
Input
text
Output
text