Llama 3.1 70B vs GPT-5.6 Sol
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
GPT-5.6 Sol
OpenAI
AI Mastery Index95.7
LMSYS Arena1485
Technical (MMLU-Pro)95.1%
Cost per 1M Tokens$5
Architect's Verdict
When comparing Llama 3.1 70B and GPT-5.6 Sol, GPT-5.6 Sol 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.