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

Qwen 3.5 Plus vs Gemini 2.5 Flash

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

DIMENSION
Qwen 3.5 Plus
Alibaba
Gemini 2.5 Flash
Google
🎯 Accuracy88 👑83
🧠 Reasoning87 👑81
🛡️ Safety8388 👑
💻 Coding89 👑80
Creativity84 👑79
📋 Instruction86 👑84
Overall Index™86.2 👑82.5
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Summary

Qwen 3.5 Plus leads overall with an Index of 86.2 vs 82.5. Qwen 3.5 Plus wins on accuracy, reasoning, coding, creativity, instruction. Gemini 2.5 Flash wins on safety. On pricing, Gemini 2.5 Flash is more affordable.

❓ Frequently Asked Questions

Is Qwen 3.5 Plus better than Gemini 2.5 Flash?

Based on the LLM Judge Index™, Qwen 3.5 Plus scores higher overall (86.2 vs 82.5). Qwen 3.5 Plus leads on accuracy, reasoning, coding, creativity, instruction, while Gemini 2.5 Flash leads on safety.

Which is cheaper, Qwen 3.5 Plus or Gemini 2.5 Flash?

Gemini 2.5 Flash is more affordable at $0.15/M tokens.

Which is better for coding?

Qwen 3.5 Plus scores higher on coding (89 vs 80).

Which model is safer?

Gemini 2.5 Flash has a higher safety score (88 vs 83).

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