Last updated: April 5, 2026 · Reviewed by Daniel Ashford
GPT-4o vs Qwen 3.5 Plus
Head-to-head across 6 dimensions · by Daniel Ashford
Summary
GPT-4o leads overall with an Index of 91.0 vs 86.2. GPT-4o wins on accuracy, reasoning, safety, coding, creativity, instruction. On pricing, Qwen 3.5 Plus is more affordable.
❓ Frequently Asked Questions
Is GPT-4o better than Qwen 3.5 Plus?
Based on the LLM Judge Index™, GPT-4o scores higher overall (91.0 vs 86.2). GPT-4o leads on accuracy, reasoning, safety, coding, creativity, instruction, while Qwen 3.5 Plus leads on no dimensions.
Which is cheaper, GPT-4o or Qwen 3.5 Plus?
Qwen 3.5 Plus is more affordable at $2/M tokens.
Which is better for coding?
GPT-4o scores higher on coding (92 vs 89).
Which model is safer?
GPT-4o has a higher safety score (91 vs 83).