AI Hub
← All models

EXAONE 4.5 33B vs Grok 4.20 0309

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

  • Grok 4.20 0309 has the higher intelligence index (88.5 vs 79.4)
  • EXAONE 4.5 33B is cheaper ($0.00 vs $2.00 per 1M input)
EXAONE 4.5 33BGrok 4.20 0309
Intelligence index79.488.5
DeveloperLG AI ResearchxAI
TypeLLMLLM
Access
Context window
Input price$0.00 / 1M$2.00 / 1M
Output price$0.00 / 1M$6.00 / 1M
Speed97 tok/s
ReleasedApril 9, 2026March 10, 2026
Parameters
Input modalities
Output modalities

Shared benchmarks

EXAONE 4.5 33B
Grok 4.20 0309
GPQA Diamond
79.4
88.5
Humanity’s Last Exam
11.6
30