Llama 3.1 70B vs o1-preview
Head-to-head technical comparison of intelligence, capabilities, and API pricing.
Llama 3.1 70B
Meta
AI Mastery Index82.5
LMSYS Arena1240
Technical (MMLU-Pro)86%
Cost per 1M Tokens$0
o1-preview
OpenAI
AI Mastery Index88.5
LMSYS Arena1335
Technical (MMLU-Pro)90.8%
Cost per 1M Tokens$15
Architect's Verdict
When comparing Llama 3.1 70B and o1-preview, o1-preview edges out in overall capabilities according to the AI Mastery Index. However, for cost-sensitive workloads, Llama 3.1 70B 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.