Key Takeaways
Phi-3 Mini 128K Instruct wins:
- Cheaper input tokens
- Cheaper output tokens
GPT-5.4 wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Supports vision
Price Advantage
Phi-3 Mini 128K Instruct
Benchmark Advantage
GPT-5.4
Context Window
GPT-5.4
Speed
GPT-5.4
Pricing Comparison
Price Comparison
| Metric | Phi-3 Mini 128K Instruct | GPT-5.4 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.10 | $2.50 | Phi-3 Mini 128K Instruct |
| Output (per 1M tokens) | $0.10 | $15.00 | Phi-3 Mini 128K Instruct |
| Cache Read (per 1M) | N/A | $0.25 | GPT-5.4 |
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
GPT-5.4 Providers
No provider data available
Benchmark Comparison
5
Benchmarks Compared
0
Phi-3 Mini 128K Instruct Wins
2
GPT-5.4 Wins
Benchmark Scores
| Benchmark | Phi-3 Mini 128K Instruct | GPT-5.4 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 26.3 | 57.0 | |
Coding Index Code generation & understanding | - | 57.3 | - |
MMLU Pro Academic knowledge | 30.4 | - | - |
GPQA Graduate-level science | 9.1 | 92.0 | |
BBH Big-Bench Hard | 37.1 | - | - |
GPT-5.4 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
GPT-5.4
1,050,000
tokens
GPT-5.4 has a 88% larger context window.
Speed Performance
| Metric | Phi-3 Mini 128K Instruct | GPT-5.4 | Winner |
|---|---|---|---|
| Tokens/second | N/A | 84.0 tok/s | |
| Time to First Token | N/A | 165.19s |
Capabilities
Feature Comparison
| Feature | Phi-3 Mini 128K Instruct | GPT-5.4 |
|---|---|---|
| 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 | GPT-5.4 |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Microsoft | OpenAI |
| Released | Unknown | Mar 2026 |
Phi-3 Mini 128K Instruct Modalities
Input
Output
GPT-5.4 Modalities
Input
textimagefile
Output
text