Gemini 3 Pro vs Qwen 3.5 397B
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 3 Pro by Google wins on 11 of 14 benchmarks against Qwen 3.5 397B by Qwen, which leads on 3. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Gemini 3 Pro scores 1492 on Chatbot Arena ELO compared to Qwen 3.5 397B's 1350, while Gemini 3 Pro scores 89.8% on MMLU-Pro compared to Qwen 3.5 397B's 81.0%.
Coding: In coding, Gemini 3 Pro scores 91.0% on HumanEval+ compared to Qwen 3.5 397B's 88.0%, while Qwen 3.5 397B scores 76.4% on SWE-bench Verified compared to Gemini 3 Pro's 65.0%, while Gemini 3 Pro scores 72.0% on LiveCodeBench compared to Qwen 3.5 397B's 54.0%.
Math: In math, Gemini 3 Pro scores 92.0% on MATH compared to Qwen 3.5 397B's 87.0%, while Gemini 3 Pro scores 97.5% on GSM8K compared to Qwen 3.5 397B's 95.0%.
Reasoning: In reasoning, Gemini 3 Pro scores 91.9% on GPQA Diamond compared to Qwen 3.5 397B's 62.0%, while Gemini 3 Pro scores 54.0% on ARC-AGI compared to Qwen 3.5 397B's 45.0%.
Context: In context, Gemini 3 Pro scores 1.0M on Context Length compared to Qwen 3.5 397B's 262K.
Pricing Comparison
Gemini 3 Pro costs $2.0/1M input tokens and $12.0/1M output tokens, while Qwen 3.5 397B costs $0.55/1M input and $3.5/1M output. Qwen 3.5 397B is the more affordable option for API usage.
Speed Comparison
Gemini 3 Pro generates output at 60 tok/s compared to Qwen 3.5 397B's 45 tok/s, and the time to first token is 450 ms for Gemini 3 Pro versus 600 ms for Qwen 3.5 397B. Gemini 3 Pro delivers faster throughput.
Verdict
For developers prioritizing general intelligence and math and speed, Gemini 3 Pro has the edge. For those who value coding and affordability, Qwen 3.5 397B is the stronger choice.
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Gemini 3 Pro vs Qwen 3.5 397B — FAQ
Which is better, Gemini 3 Pro or Qwen 3.5 397B?
Gemini 3 Pro wins on more benchmarks overall (11 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 3 Pro compare to Qwen 3.5 397B for coding?
Qwen 3.5 397B is better for coding, scoring 76.4% on SWE-bench Verified compared to 65.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Gemini 3 Pro cheaper than Qwen 3.5 397B?
Yes, Qwen 3.5 397B is cheaper. Gemini 3 Pro costs $2.0/1M input and $12.0/1M output tokens. Qwen 3.5 397B costs $0.55/1M input and $3.5/1M output tokens.
Which is faster, Gemini 3 Pro or Qwen 3.5 397B?
Gemini 3 Pro is faster, generating output at 60 tok/s compared to 45 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Gemini 3 Pro vs Qwen 3.5 397B comparison cover?
This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.