Llama 3 70B vs OpenAI o3
Compare Llama 3 70B by Meta AI against OpenAI o3 by OpenAI, tested across 53 shared challenges. Updated June 2026.
Which is better, Llama 3 70B or OpenAI o3?
Llama 3 70B and OpenAI o3 are both competitive models. Llama 3 70B costs $0.59/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between Llama 3 70B and OpenAI o3
Llama 3 70B is made by meta while OpenAI o3 is from openai. On pricing, Llama 3 70B costs $0.59/M input tokens vs $10/M for OpenAI o3.
API pricing
Per 1M tokens
Llama 3 70B
Input
$0.59
17× cheaper
Output
$0.79
51× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
Llama 3 70B is cheaper on both — 17× input, 51× output
Our Verdict
OpenAI o3
Llama 3 70BRunner-up
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, newer.
Llama 3 70B is 51x cheaper per token — worth considering if cost matters.
Too close to call
FAQ
