Model Comparison
Phi-4 Mini Instruct
vs. Qwen3.5 2B (Reasoning)
Comparing 2 AI models · 12 benchmarks · Microsoft, Alibaba
Recommended Pick
AlQwen3.5 2B (Reasoning)8 metric winsStrongest on: TTFT, Latency, Intelligence
Lowest Price
Phi-4 Mini Instruct
$0.00/1M input price
Best Reasoning
Phi-4 Mini Instruct
18.5 reasoning score
Blends available reasoning benchmarks
Best for Coding
Phi-4 Mini Instruct
3.8 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Reasoning gap
Phi-4 Mini Instruct leads Qwen3.5 2B (Reasoning) by 0.0 points on reasoning.
Coding gap
Phi-4 Mini Instruct leads Qwen3.5 2B (Reasoning) by 0.9 points on coding.
Top-pick rationale
Qwen3.5 2B (Reasoning) wins 8 measurable categories, including TTFT, Latency, Intelligence, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Phi-4 Mini Instruct
Microsoft
TTFT
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Time
—
tok/s
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Tokens
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Cost
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Qwen3.5 2B (Reasoning)
Alibaba
TTFT
—
Time
—
tok/s
—
Tokens
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Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Mi Phi-4 Mini Instruct | Top Pick Al Qwen3.5 2B (Reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.00/1M |
| Output Cost | $0.00/1M | $0.00/1M |
| Specifications | ||
| Organization | Microsoft | Alibaba |
| Release Date | Feb 26, 2024 | Mar 2, 2026 |
| Performance & Speed | ||
| Throughput | 46.2 tok/s | — |
| TTFT | 337ms | — |
| Latency | 337ms | — |
| Composite Indices | ||
| Reasoning Score | 18.5 | 18.4 |
| Intelligence | 6.0 | 7.6 |
| Coding | 3.8 | 2.9 |
| Math | 6.7 | — |
| Standard Benchmarks | ||
| GPQA | 33.1% | 45.6% |
| MMLU Pro | 46.5% | — |
| HLE | 4.2% | 2.1% |
| LiveCodeBench | 12.6% | — |
| MATH 500 | 69.6% | — |
| AIME 2025 | 6.7% | — |
| AIME (Original) | 3.0% | — |
| SciCode | 10.8% | 2.8% |
| LCR | 13.7% | 23.7% |
| IFBench | 21.1% | 31.5% |
| TAU-bench v2 | 8.2% | 69.0% |
| TerminalBench Hard | 0.0% | 3.8% |
Key Takeaways
Phi-4 Mini Instruct offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Phi-4 Mini Instruct has the strongest reasoning profile with a 18.5 reasoning score,combining the available reasoning-heavy benchmarks.
Phi-4 Mini Instruct reaches a 3.8 coding index,making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Phi-4 Mini Instruct
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Qwen3.5 2B (Reasoning)
- General-purpose AI
- Versatile applications
