DeepSeek R1 Distill Qwen 1.5B vs Phi 4 Reasoning Plus
Phi 4 Reasoning Plus leads the LLM Stats Score 15.3 to -2.7.
DeepSeek · Microsoft · Updated for 2026
Which is better?
Phi 4 Reasoning Plus leads the overall LLM Stats Score 15.3 to -2.7, ranking #218 overall.
In the 3 individual benchmarks reported for both models, Phi 4 Reasoning Plus wins 3; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose DeepSeek R1 Distill Qwen 1.5B
- you are already invested in the DeepSeek ecosystem
Choose Phi 4 Reasoning Plus
- overall performance matters — it scores 15.3 and ranks #218 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 3 of 3 exact shared results
- you want the most recent training data — it shipped Apr 2025
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
4 reported for DeepSeek R1 Distill Qwen 1.5B · 11 for Phi 4 Reasoning Plus
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.
Human preference
Blind head-to-head votes and playground preference scores
Model Size
Parameter count comparison
Phi 4 Reasoning Plus has 12.2B more parameters than DeepSeek R1 Distill Qwen 1.5B, making it 686.5% larger.
License
Usage and distribution terms
Both models are licensed under MIT.
Both models share the same licensing terms, providing consistent usage rights.
MIT
Open weights
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.
Jan 20, 2025
1.6 years ago
Apr 30, 2025
1.3 years ago
3mo newerKnowledge 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.
—
Mar 2025
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek R1 Distill Qwen 1.5B and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek R1 Distill Qwen 1.5B vs Phi 4 Reasoning Plus.