Compare/DeepSeek V3.2 (Non-reasoning) vs GPT-5.4 (xhigh)

DeepSeek V3.2 (Non-reasoning)vsGPT-5.4 (xhigh)

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

DeepSeek

DeepSeek V3.2 (Non-reasoning)

Input
$0.28/M
Output
$0.42/M
Speed
33 tok/s
TTFT
1.36s
OpenAI

GPT-5.4 (xhigh)

Input
$2.5/M
Output
$15/M
Speed
84 tok/s
TTFT
147.97s

Winner by Category

Cheaper
DeepSeek V3.2 (Non-reasoning)
Faster (tok/s)
GPT-5.4 (xhigh)
Lower Latency
DeepSeek V3.2 (Non-reasoning)
Benchmarks (4-7)
GPT-5.4 (xhigh)

Pricing Comparison

MetricDeepSeek V3.2 (Non-reasoning)GPT-5.4 (xhigh)
Input ($/M tokens)$0.28$2.5
Output ($/M tokens)$0.42$15
Cost for 1M input + 100K output tokens:
DeepSeek V3.2 (Non-reasoning)$0.32
GPT-5.4 (xhigh)$4.00

Speed Comparison

Output Speed (tokens/s) — higher is better
DeepSeek V3.2 (Non-reasoning)
33 tok/s
GPT-5.4 (xhigh)
84 tok/s
Time to First Token (seconds) — lower is better
DeepSeek V3.2 (Non-reasoning)
1.36s
GPT-5.4 (xhigh)
147.97s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
32.157.2
Coding Index
34.657.3
Math Index
59.0
GPQA Diamond
75.1%92.0%
MMLU-Pro
83.7%
LiveCodeBench
59.3%
AIME 2025
59.0%
MATH-500
Humanity's Last Exam
10.5%41.6%
SciCode
38.7%56.6%
IFBench
49.0%73.9%
TerminalBench
32.6%57.6%
DeepSeek V3.2 (Non-reasoning)4 wins
7 winsGPT-5.4 (xhigh)

Frequently Asked Questions

Which is cheaper, DeepSeek V3.2 (Non-reasoning) or GPT-5.4 (xhigh)?

DeepSeek V3.2 (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.32/M tokens vs $5.63/M for GPT-5.4 (xhigh).

Which model performs better on benchmarks?

GPT-5.4 (xhigh) wins 7 out of 12 benchmarks compared to 4 for DeepSeek V3.2 (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 (xhigh) generates tokens faster at 84 tok/s vs 33 tok/s. DeepSeek V3.2 (Non-reasoning) also has lower time-to-first-token (1.36s vs 147.97s).

When should I use DeepSeek V3.2 (Non-reasoning) vs GPT-5.4 (xhigh)?

Choose based on your priorities: DeepSeek V3.2 (Non-reasoning) for lower cost, GPT-5.4 (xhigh) for stronger benchmark performance, and GPT-5.4 (xhigh) for faster generation. For latency-sensitive apps, check the TTFT comparison above.