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DeepSeek R1 Zero vs Phi 4

DeepSeek R1 Zero leads the LLM Stats Score 16.1 to 5.6.

DeepSeek · Microsoft · Updated for 2026

Which is better?

DeepSeek R1 Zero leads the overall LLM Stats Score 16.1 to 5.6, ranking #213 overall.

In the 1 individual benchmarks reported for both models, DeepSeek R1 Zero wins 1; 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 Zero

  • overall performance matters — it scores 16.1 and ranks #213 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Jan 2025

Choose Phi 4

  • you want predictable pricing at $0.07/M input and $0.14/M output

At a glance

The differences that matter most.

Core performance indexes
16.1
#213
5.6
#285
16.4
#204
6.7
#275
4.4
#201
3.5
#209
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
$0.07 / M
Output price
— / M
$0.14 / M
Context window
16,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
DeepSeek R1 Zero
Phi 4
17.7#187
13.2#221
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

4 reported for DeepSeek R1 Zero · 13 for Phi 4

1 shared

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

DeepSeek R1 Zero significantly outperforms across most benchmarks.

Fri Sep 04 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

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
Fri Sep 04 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

1.6 years ago

1mo newer
Phi 4

Dec 12, 2024

1.7 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

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

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

DeepSeek R1 Zero
✓ Preferred
Phi 4
Open in Playground

FAQ

Common questions about DeepSeek R1 Zero vs Phi 4.

Which is better, DeepSeek R1 Zero or Phi 4?

DeepSeek R1 Zero leads the LLM Stats Score 16.1 to 5.6. DeepSeek R1 Zero is made by DeepSeek and Phi 4 is made by Microsoft. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek R1 Zero compare to Phi 4 in benchmarks?

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%.

What are the context window sizes for DeepSeek R1 Zero and Phi 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.

What are the main differences between DeepSeek R1 Zero and Phi 4?

Key differences include LLM Stats Score (16.1 vs 5.6). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek R1 Zero and Phi 4?

DeepSeek R1 Zero is developed by DeepSeek and Phi 4 is developed by Microsoft.