Compare/DeepSeek R1 (Jan '25) vs GPT-5.4 mini (xhigh)

DeepSeek R1 (Jan '25)vsGPT-5.4 mini (xhigh)

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

DeepSeek

DeepSeek R1 (Jan '25)

Input
$1.675/M
Output
$4.7/M
Speed
TTFT
OpenAI

GPT-5.4 mini (xhigh)

Input
$0.75/M
Output
$4.5/M
Speed
178 tok/s
TTFT
3.93s

Winner by Category

Cheaper
GPT-5.4 mini (xhigh)
Faster (tok/s)
GPT-5.4 mini (xhigh)
Lower Latency
DeepSeek R1 (Jan '25)
Benchmarks (5-7)
GPT-5.4 mini (xhigh)

Pricing Comparison

MetricDeepSeek R1 (Jan '25)GPT-5.4 mini (xhigh)
Input ($/M tokens)$1.675$0.75
Output ($/M tokens)$4.7$4.5
Cost for 1M input + 100K output tokens:
DeepSeek R1 (Jan '25)$2.15
GPT-5.4 mini (xhigh)$1.20

Speed Comparison

Output Speed (tokens/s) — higher is better
DeepSeek R1 (Jan '25)
GPT-5.4 mini (xhigh)
178 tok/s
Time to First Token (seconds) — lower is better
DeepSeek R1 (Jan '25)
GPT-5.4 mini (xhigh)
3.93s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.848.9
Coding Index
15.951.5
Math Index
68.0
GPQA Diamond
70.8%87.5%
MMLU-Pro
84.4%
LiveCodeBench
61.7%
AIME 2025
68.0%
MATH-500
96.6%
Humanity's Last Exam
9.3%26.6%
SciCode
35.7%49.9%
IFBench
39.0%73.3%
TerminalBench
6.1%52.3%
DeepSeek R1 (Jan '25)5 wins
7 winsGPT-5.4 mini (xhigh)

Frequently Asked Questions

Which is cheaper, DeepSeek R1 (Jan '25) or GPT-5.4 mini (xhigh)?

GPT-5.4 mini (xhigh) is cheaper overall. Its blended price (3:1 input/output ratio) is $1.69/M tokens vs $2.43/M for DeepSeek R1 (Jan '25).

Which model performs better on benchmarks?

GPT-5.4 mini (xhigh) wins 7 out of 12 benchmarks compared to 5 for DeepSeek R1 (Jan '25). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 mini (xhigh) generates tokens faster at 178 tok/s vs 0 tok/s. DeepSeek R1 (Jan '25) also has lower time-to-first-token (0.00s vs 3.93s).

When should I use DeepSeek R1 (Jan '25) vs GPT-5.4 mini (xhigh)?

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