Model Comparison

DeepSeek-V3 0324 vs Phi 4 Reasoning PlusWhich is better in 2026?

Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks.

Verdict: DeepSeek-V3 0324 vs Phi 4 Reasoning Plus — which is better?

DeepSeek-V3 0324 (by DeepSeek) and Phi 4 Reasoning Plus (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-V3 0324 outperforms in 1 benchmarks (MMLU-Pro), while Phi 4 Reasoning Plus is better at 3 benchmarks (AIME 2024, GPQA, LiveCodeBench). Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks.

Choose DeepSeek-V3 0324 if…

  • you want predictable pricing at $0.28/M input and $1.14/M output

Choose Phi 4 Reasoning Plus if…

  • you want the strongest raw capability — it leads on 3 of 4 shared benchmarks
  • you want the most recent training data — it shipped Apr 2025

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

DeepSeek-V3 0324 outperforms in 1 benchmarks (MMLU-Pro), while Phi 4 Reasoning Plus is better at 3 benchmarks (AIME 2024, GPQA, LiveCodeBench).

Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks.

Sun Jul 26 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

657.0B diff

DeepSeek-V3 0324 has 657.0B more parameters than Phi 4 Reasoning Plus, making it 4692.9% larger.

DeepSeek
DeepSeek-V3 0324
671.0Bparameters
Microsoft
Phi 4 Reasoning Plus
14.0Bparameters
671.0B
DeepSeek-V3 0324
14.0B
Phi 4 Reasoning Plus

Context Window

Maximum input and output token capacity

Only DeepSeek-V3 0324 specifies input context (163,840 tokens). Only DeepSeek-V3 0324 specifies output context (163,840 tokens).

DeepSeek
DeepSeek-V3 0324
Input163,840 tokens
Output163,840 tokens
Microsoft
Phi 4 Reasoning Plus
Input- tokens
Output- tokens
Sun Jul 26 2026 • llm-stats.com

License

Usage and distribution terms

DeepSeek-V3 0324 is licensed under MIT + Model License (Commercial use allowed), while Phi 4 Reasoning Plus uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

DeepSeek-V3 0324

MIT + Model License (Commercial use allowed)

Open weights

Phi 4 Reasoning Plus

MIT

Open weights

Release Timeline

When each model was launched

DeepSeek-V3 0324 was released on 2025-03-25, while Phi 4 Reasoning Plus was released on 2025-04-30.

Phi 4 Reasoning Plus is 1 month newer than DeepSeek-V3 0324.

DeepSeek-V3 0324

Mar 25, 2025

1.3 years ago

Phi 4 Reasoning Plus

Apr 30, 2025

1.2 years ago

1mo newer

Knowledge Cutoff

When training data ends

Phi 4 Reasoning Plus has a documented knowledge cutoff of 2025-03-01, while DeepSeek-V3 0324'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-V3 0324's cutoff date.

DeepSeek-V3 0324

Phi 4 Reasoning Plus

Mar 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Larger context window (163,840 tokens)
Higher MMLU-Pro score (81.2% vs 76.0%)
Higher AIME 2024 score (81.3% vs 59.4%)
Higher GPQA score (68.9% vs 68.4%)
Higher LiveCodeBench score (53.1% vs 49.2%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against DeepSeek-V3 0324 and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.

DeepSeek-V3 0324
✓ Preferred
Phi 4 Reasoning Plus
Open in Playground
AI Model Comparison Table
Feature
DeepSeek
DeepSeek-V3 0324
Microsoft
Phi 4 Reasoning Plus

FAQ

Common questions about DeepSeek-V3 0324 vs Phi 4 Reasoning Plus.

Which is better, DeepSeek-V3 0324 or Phi 4 Reasoning Plus?

Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks. DeepSeek-V3 0324 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.

How does DeepSeek-V3 0324 compare to Phi 4 Reasoning Plus in benchmarks?

DeepSeek-V3 0324 scores MATH-500: 94.0%, MMLU-Pro: 81.2%, GPQA: 68.4%, AIME 2024: 59.4%, LiveCodeBench: 49.2%. Phi 4 Reasoning Plus scores FlenQA: 97.9%, HumanEval+: 92.3%, IFEval: 84.9%, OmniMath: 81.9%, AIME 2024: 81.3%.

What are the context window sizes for DeepSeek-V3 0324 and Phi 4 Reasoning Plus?

DeepSeek-V3 0324 supports 164K tokens and Phi 4 Reasoning Plus supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V3 0324 and Phi 4 Reasoning Plus?

Key differences include licensing (MIT + Model License (Commercial use allowed) vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V3 0324 and Phi 4 Reasoning Plus?

DeepSeek-V3 0324 is developed by DeepSeek and Phi 4 Reasoning Plus is developed by Microsoft.