Model Comparison

DeepSeek R1 Distill Qwen 1.5B vs Phi 4 Reasoning Plus

Phi 4 Reasoning Plus significantly outperforms across most benchmarks.

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

DeepSeek R1 Distill Qwen 1.5B outperforms in 0 benchmarks, while Phi 4 Reasoning Plus is better at 3 benchmarks (AIME 2024, GPQA, LiveCodeBench).

Phi 4 Reasoning Plus significantly outperforms across most benchmarks.

Mon Apr 06 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Mon Apr 06 2026 • llm-stats.com
DeepSeek
DeepSeek R1 Distill Qwen 1.5B
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Microsoft
Phi 4 Reasoning Plus
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue

Model Size

Parameter count comparison

12.2B diff

Phi 4 Reasoning Plus has 12.2B more parameters than DeepSeek R1 Distill Qwen 1.5B, making it 686.5% larger.

DeepSeek
DeepSeek R1 Distill Qwen 1.5B
1.8Bparameters
Microsoft
Phi 4 Reasoning Plus
14.0Bparameters
1.8B
DeepSeek R1 Distill Qwen 1.5B
14.0B
Phi 4 Reasoning Plus

License

Usage and distribution terms

Both models are licensed under MIT.

Both models share the same licensing terms, providing consistent usage rights.

DeepSeek R1 Distill Qwen 1.5B

MIT

Open weights

Phi 4 Reasoning Plus

MIT

Open weights

Release Timeline

When each model was launched

DeepSeek R1 Distill Qwen 1.5B was released on 2025-01-20, while Phi 4 Reasoning Plus was released on 2025-04-30.

Phi 4 Reasoning Plus is 3 months newer than DeepSeek R1 Distill Qwen 1.5B.

DeepSeek R1 Distill Qwen 1.5B

Jan 20, 2025

1.2 years ago

Phi 4 Reasoning Plus

Apr 30, 2025

11 months ago

3mo newer

Knowledge Cutoff

When training data ends

Phi 4 Reasoning Plus has a documented knowledge cutoff of 2025-03-01, while DeepSeek R1 Distill Qwen 1.5B's cutoff date is not specified.

We can confirm Phi 4 Reasoning Plus's training data extends to 2025-03-01, but cannot make a direct comparison without DeepSeek R1 Distill Qwen 1.5B's cutoff date.

DeepSeek R1 Distill Qwen 1.5B

Phi 4 Reasoning Plus

Mar 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Higher AIME 2024 score (81.3% vs 52.7%)
Higher GPQA score (68.9% vs 33.8%)
Higher LiveCodeBench score (53.1% vs 16.9%)

Detailed Comparison

FAQ

Common questions about DeepSeek R1 Distill Qwen 1.5B vs Phi 4 Reasoning Plus

Phi 4 Reasoning Plus significantly outperforms across most benchmarks. DeepSeek R1 Distill Qwen 1.5B is made by DeepSeek and Phi 4 Reasoning Plus is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
DeepSeek R1 Distill Qwen 1.5B scores MATH-500: 83.9%, AIME 2024: 52.7%, GPQA: 33.8%, LiveCodeBench: 16.9%. Phi 4 Reasoning Plus scores FlenQA: 97.9%, HumanEval+: 92.3%, IFEval: 84.9%, OmniMath: 81.9%, AIME 2024: 81.3%.
DeepSeek R1 Distill Qwen 1.5B is developed by DeepSeek and Phi 4 Reasoning Plus is developed by Microsoft.