Model Comparison
DeepSeek-V3 vs Phi 4Which is better in 2026?
DeepSeek-V3 significantly outperforms across most benchmarks. Phi 4 is 5.5x cheaper per token.
Verdict: DeepSeek-V3 vs Phi 4 — which is better?
DeepSeek-V3 (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-V3 outperforms in 6 benchmarks (DROP, GPQA, IFEval, MMLU, MMLU-Pro, SimpleQA), while Phi 4 is better at 0 benchmarks. DeepSeek-V3 significantly outperforms across most benchmarks.
On price, Phi 4 is roughly 5.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V3 also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.
Choose DeepSeek-V3 if…
- you want the strongest raw capability — it leads on 6 of 6 shared benchmarks
- you process long inputs — it offers a 131,072 token context window
- you want the most recent training data — it shipped Dec 2024
Choose Phi 4 if…
- cost matters — it's about 5.5x cheaper per token
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-V3 outperforms in 6 benchmarks (DROP, GPQA, IFEval, MMLU, MMLU-Pro, SimpleQA), while Phi 4 is better at 0 benchmarks.
DeepSeek-V3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-V3 ($0.27/1M tokens) is 3.9x more expensive than Phi 4 ($0.07/1M tokens).
For output processing, DeepSeek-V3 ($1.10/1M tokens) is 7.9x more expensive than Phi 4 ($0.14/1M tokens).
In conclusion, DeepSeek-V3 is more expensive than Phi 4.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
DeepSeek-V3 has 656.3B more parameters than Phi 4, making it 4464.6% larger.
Context Window
Maximum input and output token capacity
DeepSeek-V3 accepts 131,072 input tokens compared to Phi 4's 16,000 tokens. DeepSeek-V3 can generate longer responses up to 131,072 tokens, while Phi 4 is limited to 16,000 tokens.
License
Usage and distribution terms
DeepSeek-V3 is licensed under MIT + Model License (Commercial use allowed), while Phi 4 uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
MIT + Model License (Commercial use allowed)
Open weights
MIT
Open weights
Release Timeline
When each model was launched
DeepSeek-V3 was released on 2024-12-25, while Phi 4 was released on 2024-12-12.
DeepSeek-V3 is 0 month newer than Phi 4.
Dec 25, 2024
1.5 years ago
1w newerDec 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-V3'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-V3's cutoff date.
—
Jun 2024
Provider Availability
DeepSeek-V3 is available from DeepSeek. Phi 4 is available from DeepInfra.
DeepSeek-V3
Phi 4
Outputs Comparison
Key Takeaways
DeepSeek-V3
View detailsDeepSeek
Phi 4
View detailsMicrosoft
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against DeepSeek-V3 and Phi 4 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about DeepSeek-V3 vs Phi 4.