Compare/EXAONE 4.0 32B (Reasoning) vs GPT-5.4 nano (medium)

EXAONE 4.0 32B (Reasoning)vsGPT-5.4 nano (medium)

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

LG AI Research

EXAONE 4.0 32B (Reasoning)

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

GPT-5.4 nano (medium)

Input
$0.2/M
Output
$1.25/M
Speed
171 tok/s
TTFT
2.38s

Winner by Category

Cheaper
EXAONE 4.0 32B (Reasoning)
Faster (tok/s)
GPT-5.4 nano (medium)
Lower Latency
EXAONE 4.0 32B (Reasoning)
Benchmarks (5-7)
GPT-5.4 nano (medium)

Pricing Comparison

MetricEXAONE 4.0 32B (Reasoning)GPT-5.4 nano (medium)
Input ($/M tokens)$0$0.2
Output ($/M tokens)$0$1.25
Cost for 1M input + 100K output tokens:
EXAONE 4.0 32B (Reasoning)$0.00
GPT-5.4 nano (medium)$0.33

Speed Comparison

Output Speed (tokens/s) — higher is better
EXAONE 4.0 32B (Reasoning)
GPT-5.4 nano (medium)
171 tok/s
Time to First Token (seconds) — lower is better
EXAONE 4.0 32B (Reasoning)
GPT-5.4 nano (medium)
2.38s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
16.738.1
Coding Index
14.035.0
Math Index
80.0
GPQA Diamond
73.9%76.1%
MMLU-Pro
81.8%
LiveCodeBench
74.7%
AIME 2025
80.0%
MATH-500
97.7%
Humanity's Last Exam
10.5%14.7%
SciCode
34.4%38.4%
IFBench
36.3%64.4%
TerminalBench
3.8%33.3%
EXAONE 4.0 32B (Reasoning)5 wins
7 winsGPT-5.4 nano (medium)

Frequently Asked Questions

Which is cheaper, EXAONE 4.0 32B (Reasoning) or GPT-5.4 nano (medium)?

EXAONE 4.0 32B (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.46/M for GPT-5.4 nano (medium).

Which model performs better on benchmarks?

GPT-5.4 nano (medium) wins 7 out of 12 benchmarks compared to 5 for EXAONE 4.0 32B (Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 nano (medium) generates tokens faster at 171 tok/s vs 0 tok/s. EXAONE 4.0 32B (Reasoning) also has lower time-to-first-token (0.00s vs 2.38s).

When should I use EXAONE 4.0 32B (Reasoning) vs GPT-5.4 nano (medium)?

Choose based on your priorities: EXAONE 4.0 32B (Reasoning) for lower cost, GPT-5.4 nano (medium) for stronger benchmark performance, and GPT-5.4 nano (medium) for faster generation. For latency-sensitive apps, check the TTFT comparison above.