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

Gemini 2.5 Ultra vs Qwen 3.5 Plus

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

DIMENSION
Gemini 2.5 Ultra
Google
Qwen 3.5 Plus
Alibaba
🎯 Accuracy95 👑88
🧠 Reasoning93 👑87
🛡️ Safety94 👑83
💻 Coding91 👑89
Creativity92 👑84
📋 Instruction93 👑86
Overall Index™93.0 👑86.2
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Summary

Gemini 2.5 Ultra leads overall with an Index of 93.0 vs 86.2. Gemini 2.5 Ultra wins on accuracy, reasoning, safety, coding, creativity, instruction. On pricing, Qwen 3.5 Plus is more affordable.

❓ Frequently Asked Questions

Is Gemini 2.5 Ultra better than Qwen 3.5 Plus?

Based on the LLM Judge Index™, Gemini 2.5 Ultra scores higher overall (93.0 vs 86.2). Gemini 2.5 Ultra leads on accuracy, reasoning, safety, coding, creativity, instruction, while Qwen 3.5 Plus leads on no dimensions.

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

Qwen 3.5 Plus is more affordable at $2/M tokens.

Which is better for coding?

Gemini 2.5 Ultra scores higher on coding (91 vs 89).

Which model is safer?

Gemini 2.5 Ultra has a higher safety score (94 vs 83).

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