Compare Llama 3.1 405B by Meta AI against Mistral Medium 3 by Mistral AI, context windows of 128K vs 131K, tested across 12 shared challenges. Updated April 2026.
Llama 3.1 405B and Mistral Medium 3 are both competitive models. Llama 3.1 405B costs $2.7/M input tokens vs $0.4/M for Mistral Medium 3. Context windows: 128K vs 131K tokens. Compare their real outputs side by side below.
Llama 3.1 405B is made by meta while Mistral Medium 3 is from mistral. Llama 3.1 405B has a 128K token context window compared to Mistral Medium 3's 131K. On pricing, Llama 3.1 405B costs $2.7/M input tokens vs $0.4/M for Mistral Medium 3.
No community votes yet. On paper, Llama 3.1 405B has the edge — bigger model tier, major provider backing.
Mistral Medium 3 uses 859.1x more bold
Ask 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.

Compare Llama 3.1 405B by Meta AI against Mistral Medium 3 by Mistral AI, context windows of 128K vs 131K, tested across 12 shared challenges. Updated April 2026.
Llama 3.1 405B and Mistral Medium 3 are both competitive models. Llama 3.1 405B costs $2.7/M input tokens vs $0.4/M for Mistral Medium 3. Context windows: 128K vs 131K tokens. Compare their real outputs side by side below.
Llama 3.1 405B is made by meta while Mistral Medium 3 is from mistral. Llama 3.1 405B has a 128K token context window compared to Mistral Medium 3's 131K. On pricing, Llama 3.1 405B costs $2.7/M input tokens vs $0.4/M for Mistral Medium 3.
No community votes yet. On paper, Llama 3.1 405B has the edge — bigger model tier, major provider backing.
Mistral Medium 3 uses 859.1x more bold
Ask 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.
