Compare/Mi:dm K 2.5 Pro vs GPT-5.4 mini (Non-Reasoning)

Mi:dm K 2.5 ProvsGPT-5.4 mini (Non-Reasoning)

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

Korea Telecom

Mi:dm K 2.5 Pro

Input
$0/M
Output
$0/M
Speed
TTFT
OpenAI

GPT-5.4 mini (Non-Reasoning)

Input
$0.75/M
Output
$4.5/M
Speed
202 tok/s
TTFT
0.45s

Winner by Category

Cheaper
Mi:dm K 2.5 Pro
Faster (tok/s)
GPT-5.4 mini (Non-Reasoning)
Lower Latency
Mi:dm K 2.5 Pro
Benchmarks (7-4)
Mi:dm K 2.5 Pro

Pricing Comparison

MetricMi:dm K 2.5 ProGPT-5.4 mini (Non-Reasoning)
Input ($/M tokens)$0$0.75
Output ($/M tokens)$0$4.5
Cost for 1M input + 100K output tokens:
Mi:dm K 2.5 Pro$0.00
GPT-5.4 mini (Non-Reasoning)$1.20

Speed Comparison

Output Speed (tokens/s) — higher is better
Mi:dm K 2.5 Pro
GPT-5.4 mini (Non-Reasoning)
202 tok/s
Time to First Token (seconds) — lower is better
Mi:dm K 2.5 Pro
GPT-5.4 mini (Non-Reasoning)
0.45s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
23.123.3
Coding Index
12.625.3
Math Index
76.7
GPQA Diamond
70.1%60.6%
MMLU-Pro
80.9%
LiveCodeBench
65.6%
AIME 2025
76.7%
MATH-500
Humanity's Last Exam
7.7%5.7%
SciCode
33.2%39.6%
IFBench
49.3%38.8%
TerminalBench
2.3%18.2%
Mi:dm K 2.5 Pro7 wins
4 winsGPT-5.4 mini (Non-Reasoning)

Frequently Asked Questions

Which is cheaper, Mi:dm K 2.5 Pro or GPT-5.4 mini (Non-Reasoning)?

Mi:dm K 2.5 Pro is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $1.69/M for GPT-5.4 mini (Non-Reasoning).

Which model performs better on benchmarks?

Mi:dm K 2.5 Pro wins 7 out of 12 benchmarks compared to 4 for GPT-5.4 mini (Non-Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 mini (Non-Reasoning) generates tokens faster at 202 tok/s vs 0 tok/s. Mi:dm K 2.5 Pro also has lower time-to-first-token (0.00s vs 0.45s).

When should I use Mi:dm K 2.5 Pro vs GPT-5.4 mini (Non-Reasoning)?

Choose based on your priorities: Mi:dm K 2.5 Pro for lower cost, Mi:dm K 2.5 Pro for stronger benchmark performance, and GPT-5.4 mini (Non-Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.