Qwen 2 72B vs Llama 4 (405B)

Head-to-head technical comparison of intelligence, capabilities, and API pricing.

Qwen 2 72B
Alibaba
AI Mastery Index83.2
LMSYS Arena1245
Technical (MMLU-Pro)86.5%
Cost per 1M Tokens$0
Llama 4 (405B)
Meta
AI Mastery Index90.5
LMSYS Arena1285
Technical (MMLU-Pro)90.5%
Cost per 1M Tokens$0

Architect's Verdict

When comparing Qwen 2 72B and Llama 4 (405B), Llama 4 (405B) edges out in overall capabilities according to the AI Mastery Index. However, for cost-sensitive workloads, Llama 4 (405B) offers a more economical API at $0 per 1M tokens. Your choice should depend heavily on whether you prioritize raw reasoning (MMLU) or scalable deployment economics.