Compare/EXAONE 4.0 32B (Reasoning) vs gpt-oss-20B (high)

EXAONE 4.0 32B (Reasoning)vsgpt-oss-20B (high)

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-oss-20B (high)

Input
$0.05/M
Output
$0.2/M
Speed
256 tok/s
TTFT
0.34s

Winner by Category

Cheaper
EXAONE 4.0 32B (Reasoning)
Faster (tok/s)
gpt-oss-20B (high)
Lower Latency
EXAONE 4.0 32B (Reasoning)
Benchmarks (4-7)
gpt-oss-20B (high)

Pricing Comparison

MetricEXAONE 4.0 32B (Reasoning)gpt-oss-20B (high)
Input ($/M tokens)$0$0.05
Output ($/M tokens)$0$0.2
Cost for 1M input + 100K output tokens:
EXAONE 4.0 32B (Reasoning)$0.00
gpt-oss-20B (high)$0.07

Speed Comparison

Output Speed (tokens/s) — higher is better
EXAONE 4.0 32B (Reasoning)
gpt-oss-20B (high)
256 tok/s
Time to First Token (seconds) — lower is better
EXAONE 4.0 32B (Reasoning)
gpt-oss-20B (high)
0.34s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
16.724.5
Coding Index
14.018.5
Math Index
80.089.3
GPQA Diamond
73.9%68.8%
MMLU-Pro
81.8%74.8%
LiveCodeBench
74.7%77.7%
AIME 2025
80.0%89.3%
MATH-500
97.7%
Humanity's Last Exam
10.5%9.8%
SciCode
34.4%34.4%
IFBench
36.3%65.1%
TerminalBench
3.8%10.6%
EXAONE 4.0 32B (Reasoning)4 wins
7 winsgpt-oss-20B (high)

Frequently Asked Questions

Which is cheaper, EXAONE 4.0 32B (Reasoning) or gpt-oss-20B (high)?

EXAONE 4.0 32B (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.09/M for gpt-oss-20B (high).

Which model performs better on benchmarks?

gpt-oss-20B (high) wins 7 out of 12 benchmarks compared to 4 for EXAONE 4.0 32B (Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-20B (high) generates tokens faster at 256 tok/s vs 0 tok/s. EXAONE 4.0 32B (Reasoning) also has lower time-to-first-token (0.00s vs 0.34s).

When should I use EXAONE 4.0 32B (Reasoning) vs gpt-oss-20B (high)?

Choose based on your priorities: EXAONE 4.0 32B (Reasoning) for lower cost, gpt-oss-20B (high) for stronger benchmark performance, and gpt-oss-20B (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.