Compare/EXAONE 4.5 33B vs gpt-oss-20B (low)

EXAONE 4.5 33Bvsgpt-oss-20B (low)

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

LG AI Research

EXAONE 4.5 33B

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

gpt-oss-20B (low)

Input
$0.07/M
Output
$0.225/M
Speed
283 tok/s
TTFT
0.37s

Winner by Category

Cheaper
EXAONE 4.5 33B
Faster (tok/s)
gpt-oss-20B (low)
Lower Latency
EXAONE 4.5 33B
Benchmarks (6-5)
EXAONE 4.5 33B

Pricing Comparison

MetricEXAONE 4.5 33Bgpt-oss-20B (low)
Input ($/M tokens)$0$0.07
Output ($/M tokens)$0$0.225
Cost for 1M input + 100K output tokens:
EXAONE 4.5 33B$0.00
gpt-oss-20B (low)$0.09

Speed Comparison

Output Speed (tokens/s) — higher is better
EXAONE 4.5 33B
gpt-oss-20B (low)
283 tok/s
Time to First Token (seconds) — lower is better
EXAONE 4.5 33B
gpt-oss-20B (low)
0.37s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
30.220.8
Coding Index
23.014.4
Math Index
62.3
GPQA Diamond
79.4%61.1%
MMLU-Pro
71.8%
LiveCodeBench
65.2%
AIME 2025
62.3%
MATH-500
Humanity's Last Exam
11.6%5.1%
SciCode
28.0%34.0%
IFBench
58.0%57.8%
TerminalBench
20.5%4.5%
EXAONE 4.5 33B6 wins
5 winsgpt-oss-20B (low)

Frequently Asked Questions

Which is cheaper, EXAONE 4.5 33B or gpt-oss-20B (low)?

EXAONE 4.5 33B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.11/M for gpt-oss-20B (low).

Which model performs better on benchmarks?

EXAONE 4.5 33B wins 6 out of 12 benchmarks compared to 5 for gpt-oss-20B (low). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-20B (low) generates tokens faster at 283 tok/s vs 0 tok/s. EXAONE 4.5 33B also has lower time-to-first-token (0.00s vs 0.37s).

When should I use EXAONE 4.5 33B vs gpt-oss-20B (low)?

Choose based on your priorities: EXAONE 4.5 33B for lower cost, EXAONE 4.5 33B for stronger benchmark performance, and gpt-oss-20B (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.