Model Comparison

DeepSeek R1 Distill Qwen 1.5B vs Phi 4Which is better in 2026?

Phi 4 significantly outperforms across most benchmarks.

Verdict: DeepSeek R1 Distill Qwen 1.5B vs Phi 4 — which is better?

DeepSeek R1 Distill Qwen 1.5B (by DeepSeek) and Phi 4 (by Microsoft) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

DeepSeek R1 Distill Qwen 1.5B outperforms in 0 benchmarks, while Phi 4 is better at 1 benchmark (GPQA). Phi 4 significantly outperforms across most benchmarks.

Choose DeepSeek R1 Distill Qwen 1.5B if…

  • you want the most recent training data — it shipped Jan 2025

Choose Phi 4 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

DeepSeek R1 Distill Qwen 1.5B outperforms in 0 benchmarks, while Phi 4 is better at 1 benchmark (GPQA).

Phi 4 significantly outperforms across most benchmarks.

Sun Jun 28 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

12.9B diff

Phi 4 has 12.9B more parameters than DeepSeek R1 Distill Qwen 1.5B, making it 725.8% larger.

DeepSeek
DeepSeek R1 Distill Qwen 1.5B
1.8Bparameters
Microsoft
Phi 4
14.7Bparameters
1.8B
DeepSeek R1 Distill Qwen 1.5B
14.7B
Phi 4

Context Window

Maximum input and output token capacity

Only Phi 4 specifies input context (16,000 tokens). Only Phi 4 specifies output context (16,000 tokens).

DeepSeek
DeepSeek R1 Distill Qwen 1.5B
Input- tokens
Output- tokens
Microsoft
Phi 4
Input16,000 tokens
Output16,000 tokens
Sun Jun 28 2026 • llm-stats.com

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

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 was released on 2024-12-12.

DeepSeek R1 Distill Qwen 1.5B is 1 month newer than Phi 4.

DeepSeek R1 Distill Qwen 1.5B

Jan 20, 2025

1.4 years ago

1mo newer
Phi 4

Dec 12, 2024

1.5 years ago

Knowledge Cutoff

When training data ends

Phi 4 has a documented knowledge cutoff of 2024-06-01, while DeepSeek R1 Distill Qwen 1.5B's cutoff date is not specified.

We can confirm Phi 4's training data extends to 2024-06-01, but cannot make a direct comparison without DeepSeek R1 Distill Qwen 1.5B's cutoff date.

DeepSeek R1 Distill Qwen 1.5B

Phi 4

Jun 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

No standout differentiators in the data we have for this pair.

Larger context window (16,000 tokens)
Higher GPQA score (56.1% vs 33.8%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against DeepSeek R1 Distill Qwen 1.5B and Phi 4 side-by-side, then vote on the output you prefer.

DeepSeek R1 Distill Qwen 1.5B
✓ Preferred
Phi 4
Open in Playground
AI Model Comparison Table
Feature
DeepSeek
DeepSeek R1 Distill Qwen 1.5B
Microsoft
Phi 4

FAQ

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

Which is better, DeepSeek R1 Distill Qwen 1.5B or Phi 4?

Phi 4 significantly outperforms across most benchmarks. DeepSeek R1 Distill Qwen 1.5B is made by DeepSeek and Phi 4 is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does DeepSeek R1 Distill Qwen 1.5B compare to Phi 4 in benchmarks?

DeepSeek R1 Distill Qwen 1.5B scores MATH-500: 83.9%, AIME 2024: 52.7%, GPQA: 33.8%, LiveCodeBench: 16.9%. Phi 4 scores MMLU: 84.8%, HumanEval+: 82.8%, HumanEval: 82.6%, MGSM: 80.6%, MATH: 80.4%.

What are the context window sizes for DeepSeek R1 Distill Qwen 1.5B and Phi 4?

DeepSeek R1 Distill Qwen 1.5B supports an unknown number of tokens and Phi 4 supports 16K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes DeepSeek R1 Distill Qwen 1.5B and Phi 4?

DeepSeek R1 Distill Qwen 1.5B is developed by DeepSeek and Phi 4 is developed by Microsoft.