Model Comparison

DeepSeek R1 Zero vs Phi 4

DeepSeek R1 Zero significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

DeepSeek R1 Zero outperforms in 1 benchmarks (GPQA), while Phi 4 is better at 0 benchmarks.

DeepSeek R1 Zero significantly outperforms across most benchmarks.

Tue Apr 07 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
Tue Apr 07 2026 • llm-stats.com
DeepSeek
DeepSeek R1 Zero
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Microsoft
Phi 4
Input tokens$0.07
Output tokens$0.14
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

656.3B diff

DeepSeek R1 Zero has 656.3B more parameters than Phi 4, making it 4464.6% larger.

DeepSeek
DeepSeek R1 Zero
671.0Bparameters
Microsoft
Phi 4
14.7Bparameters
671.0B
DeepSeek R1 Zero
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 Zero
Input- tokens
Output- tokens
Microsoft
Phi 4
Input16,000 tokens
Output16,000 tokens
Tue Apr 07 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 Zero

MIT

Open weights

Phi 4

MIT

Open weights

Release Timeline

When each model was launched

DeepSeek R1 Zero was released on 2025-01-20, while Phi 4 was released on 2024-12-12.

DeepSeek R1 Zero is 1 month newer than Phi 4.

DeepSeek R1 Zero

Jan 20, 2025

1.2 years ago

1mo newer
Phi 4

Dec 12, 2024

1.3 years ago

Knowledge Cutoff

When training data ends

Phi 4 has a documented knowledge cutoff of 2024-06-01, while DeepSeek R1 Zero'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 Zero's cutoff date.

DeepSeek R1 Zero

—

Phi 4

Jun 2024

Outputs Comparison

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Key Takeaways

DeepSeek
Higher GPQA score (73.3% vs 56.1%)
Microsoft
Larger context window (16,000 tokens)

Detailed Comparison

AI Model Comparison Table
Feature
DeepSeek
DeepSeek R1 Zero
Microsoft
Phi 4

FAQ

Common questions about DeepSeek R1 Zero vs Phi 4

DeepSeek R1 Zero significantly outperforms across most benchmarks. DeepSeek R1 Zero 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.
DeepSeek R1 Zero scores MATH-500: 95.9%, AIME 2024: 86.7%, GPQA: 73.3%, LiveCodeBench: 50.0%. Phi 4 scores MMLU: 84.8%, HumanEval+: 82.8%, HumanEval: 82.6%, MGSM: 80.6%, MATH: 80.4%.
DeepSeek R1 Zero 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.
DeepSeek R1 Zero is developed by DeepSeek and Phi 4 is developed by Microsoft.