Compare Llama 3.1 405B by Meta AI against Qwen3 Next 80B A3B Instruct by Qwen, context windows of 128K vs 66K, tested across 12 shared challenges. Updated April 2026.
Llama 3.1 405B and Qwen3 Next 80B A3B Instruct are both competitive models. Llama 3.1 405B costs $2.7/M input tokens vs $0.15/M for Qwen3 Next 80B A3B Instruct. Context windows: 128K vs 66K tokens. Compare their real outputs side by side below.
Llama 3.1 405B is made by meta while Qwen3 Next 80B A3B Instruct is from qwen. Llama 3.1 405B has a 128K token context window compared to Qwen3 Next 80B A3B Instruct's 66K. On pricing, Llama 3.1 405B costs $2.7/M input tokens vs $0.15/M for Qwen3 Next 80B A3B Instruct.
No community votes yet. On paper, Llama 3.1 405B has the edge — bigger model tier, bigger context window, major provider backing.
Qwen3 Next 80B A3B Instruct uses 576.3x 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 Qwen3 Next 80B A3B Instruct by Qwen, context windows of 128K vs 66K, tested across 12 shared challenges. Updated April 2026.
Llama 3.1 405B and Qwen3 Next 80B A3B Instruct are both competitive models. Llama 3.1 405B costs $2.7/M input tokens vs $0.15/M for Qwen3 Next 80B A3B Instruct. Context windows: 128K vs 66K tokens. Compare their real outputs side by side below.
Llama 3.1 405B is made by meta while Qwen3 Next 80B A3B Instruct is from qwen. Llama 3.1 405B has a 128K token context window compared to Qwen3 Next 80B A3B Instruct's 66K. On pricing, Llama 3.1 405B costs $2.7/M input tokens vs $0.15/M for Qwen3 Next 80B A3B Instruct.
No community votes yet. On paper, Llama 3.1 405B has the edge — bigger model tier, bigger context window, major provider backing.
Qwen3 Next 80B A3B Instruct uses 576.3x 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.
