Compare/Phi-4 vs DeepSeek V3.2 (Reasoning)

Phi-4vsDeepSeek V3.2 (Reasoning)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

Microsoft

Phi-4

Input
$0.125/M
Output
$0.5/M
Speed
38 tok/s
TTFT
0.49s
DeepSeek

DeepSeek V3.2 (Reasoning)

Input
$0.3/M
Output
$0.45/M
Speed
TTFT

Winner by Category

Cheaper
Phi-4
Faster (tok/s)
Phi-4
Lower Latency
DeepSeek V3.2 (Reasoning)
Benchmarks (1-11)
DeepSeek V3.2 (Reasoning)

Pricing Comparison

MetricPhi-4DeepSeek V3.2 (Reasoning)
Input ($/M tokens)$0.125$0.3
Output ($/M tokens)$0.5$0.45
Cost for 1M input + 100K output tokens:
Phi-4$0.17
DeepSeek V3.2 (Reasoning)$0.34

Speed Comparison

Output Speed (tokens/s) — higher is better
Phi-4
38 tok/s
DeepSeek V3.2 (Reasoning)
Time to First Token (seconds) — lower is better
Phi-4
0.49s
DeepSeek V3.2 (Reasoning)

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
10.441.7
Coding Index
11.236.7
Math Index
18.092.0
GPQA Diamond
57.5%84.0%
MMLU-Pro
71.4%86.2%
LiveCodeBench
23.1%86.2%
AIME 2025
18.0%92.0%
MATH-500
81.0%
Humanity's Last Exam
4.1%22.2%
SciCode
26.0%38.9%
IFBench
23.5%60.7%
TerminalBench
3.8%35.6%
Phi-41 wins
11 winsDeepSeek V3.2 (Reasoning)

Frequently Asked Questions

Which is cheaper, Phi-4 or DeepSeek V3.2 (Reasoning)?

Phi-4 is cheaper overall. Its blended price (3:1 input/output ratio) is $0.22/M tokens vs $0.34/M for DeepSeek V3.2 (Reasoning).

Which model performs better on benchmarks?

DeepSeek V3.2 (Reasoning) wins 11 out of 12 benchmarks compared to 1 for Phi-4. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Phi-4 generates tokens faster at 38 tok/s vs 0 tok/s. However, DeepSeek V3.2 (Reasoning) has lower time-to-first-token (0.00s vs 0.49s).

When should I use Phi-4 vs DeepSeek V3.2 (Reasoning)?

Choose based on your priorities: Phi-4 for lower cost, DeepSeek V3.2 (Reasoning) for stronger benchmark performance, and Phi-4 for faster generation. For latency-sensitive apps, check the TTFT comparison above.