Last updated: April 5, 2026 · Reviewed by Daniel Ashford

🆓Llama 4 405B vs Qwen 3.5 Plus

Head-to-head across 6 dimensions · by Daniel Ashford

DIMENSION
🆓 Llama 4 405B
Meta
Qwen 3.5 Plus
Alibaba
🎯 Accuracy90 👑88
🧠 Reasoning88 👑87
🛡️ Safety85 👑83
💻 Coding8989
Creativity87 👑84
📋 Instruction88 👑86
Overall Index™87.8 👑86.2
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Summary

Llama 4 405B leads overall with an Index of 87.8 vs 86.2. Llama 4 405B wins on accuracy, reasoning, safety, creativity, instruction. On pricing, Llama 4 405B is more affordable.

❓ Frequently Asked Questions

Is Llama 4 405B better than Qwen 3.5 Plus?

Based on the LLM Judge Index™, Llama 4 405B scores higher overall (87.8 vs 86.2). Llama 4 405B leads on accuracy, reasoning, safety, creativity, instruction, while Qwen 3.5 Plus leads on no dimensions.

Which is cheaper, Llama 4 405B or Qwen 3.5 Plus?

Llama 4 405B is more affordable at free.

Which is better for coding?

Qwen 3.5 Plus scores higher on coding (89 vs 89).

Which model is safer?

Llama 4 405B has a higher safety score (85 vs 83).

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