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EXAONE 4.5 33B vs GPT-5 Pro

LG AI Research vs OpenAI — benchmarks, pricing, and capabilities side by side.

  • GPT-5 Pro has the higher intelligence index (88.4 vs 79.4)
  • EXAONE 4.5 33B is cheaper ($0.00 vs $15.00 per 1M input)
EXAONE 4.5 33BGPT-5 Pro
Intelligence index79.488.4
DeveloperLG AI ResearchOpenAI
TypeLLMLLM
AccessAPI only
Context window400,000 tokens
Input price$0.00 / 1M$15.00 / 1M
Output price$0.00 / 1M$120.00 / 1M
Speed
ReleasedApril 9, 2026October 6, 2025
Parameters
Input modalitiesText, Image
Output modalitiesText

Shared benchmarks

EXAONE 4.5 33B
GPT-5 Pro
GPQA Diamond
79.4
88.4
Humanity’s Last Exam
11.6
42