A comparison of different LLM harnesses shows that GLM 5.3 in Empryo used 51% fewer input tokens than Claude Code, successfully completing 19 out of 19 tasks compared to Claude Code's 17 out of 19. Kimi demonstrated a reduction of 28% to 47% in token usage compared to Kimi CLI, depending on the reasoning level. Codex showed a 17% reduction in tokens but was three times slower. AI
IMPACT Demonstrates potential for reduced inference costs and improved efficiency in LLM applications.
RANK_REASON Comparison of LLM performance and efficiency metrics. [lever_c_demoted from research: ic=1 ai=1.0]
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