Llama 3.1 405B vs Gemini 2.5 Pro (I/O Edition)
Compare Llama 3.1 405B by Meta AI against Gemini 2.5 Pro (I/O Edition) by Google AI, tested across 11 shared challenges. Updated April 2026.
Which is better, Llama 3.1 405B or Gemini 2.5 Pro (I/O Edition)?
Llama 3.1 405B and Gemini 2.5 Pro (I/O Edition) are both competitive models. Llama 3.1 405B costs $2.7/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). Compare their real outputs side by side below.
Key Differences Between Llama 3.1 405B and Gemini 2.5 Pro (I/O Edition)
Llama 3.1 405B is made by meta while Gemini 2.5 Pro (I/O Edition) is from google. On pricing, Llama 3.1 405B costs $2.7/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition).
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Llama 3.1 405B is 3.2x cheaper per token — worth considering if cost matters.
Style Comparison
Gemini 2.5 Pro (I/O Edition) uses 578.2x more bold
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
