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

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

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 (Non-Reasoning)

Input
$0.2/M
Output
$1.25/M
Speed
177 tok/s
TTFT
0.47s

Winner by Category

Cheaper
EXAONE 4.0 32B (Reasoning)
Faster (tok/s)
GPT-5.4 nano (Non-Reasoning)
Lower Latency
EXAONE 4.0 32B (Reasoning)
Benchmarks (8-4)
EXAONE 4.0 32B (Reasoning)

Pricing Comparison

MetricEXAONE 4.0 32B (Reasoning)GPT-5.4 nano (Non-Reasoning)
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 (Non-Reasoning)$0.33

Speed Comparison

Output Speed (tokens/s) — higher is better
EXAONE 4.0 32B (Reasoning)
GPT-5.4 nano (Non-Reasoning)
177 tok/s
Time to First Token (seconds) — lower is better
EXAONE 4.0 32B (Reasoning)
GPT-5.4 nano (Non-Reasoning)
0.47s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
16.724.4
Coding Index
14.027.9
Math Index
80.0
GPQA Diamond
73.9%55.8%
MMLU-Pro
81.8%
LiveCodeBench
74.7%
AIME 2025
80.0%
MATH-500
97.7%
Humanity's Last Exam
10.5%4.2%
SciCode
34.4%35.2%
IFBench
36.3%32.7%
TerminalBench
3.8%24.2%
EXAONE 4.0 32B (Reasoning)8 wins
4 winsGPT-5.4 nano (Non-Reasoning)

Frequently Asked Questions

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

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 (Non-Reasoning).

Which model performs better on benchmarks?

EXAONE 4.0 32B (Reasoning) wins 8 out of 12 benchmarks compared to 4 for GPT-5.4 nano (Non-Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 nano (Non-Reasoning) generates tokens faster at 177 tok/s vs 0 tok/s. EXAONE 4.0 32B (Reasoning) also has lower time-to-first-token (0.00s vs 0.47s).

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

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