Claude 3 Opus vs Qwen 3.5 397B
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Qwen 3.5 397B by Qwen wins on 14 of 14 benchmarks against Claude 3 Opus by Anthropic, which leads on 0. 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, Qwen 3.5 397B scores 1350 on Chatbot Arena ELO compared to Claude 3 Opus's 1240, while Qwen 3.5 397B scores 81.0% on MMLU-Pro compared to Claude 3 Opus's 68.0%.
Coding: In coding, Qwen 3.5 397B scores 88.0% on HumanEval+ compared to Claude 3 Opus's 78.0%, while Qwen 3.5 397B scores 76.4% on SWE-bench Verified compared to Claude 3 Opus's 22.0%, while Qwen 3.5 397B scores 54.0% on LiveCodeBench compared to Claude 3 Opus's 32.0%.
Math: In math, Qwen 3.5 397B scores 87.0% on MATH compared to Claude 3 Opus's 68.0%, while Qwen 3.5 397B scores 95.0% on GSM8K compared to Claude 3 Opus's 88.0%.
Reasoning: In reasoning, Qwen 3.5 397B scores 62.0% on GPQA Diamond compared to Claude 3 Opus's 59.4%, while Qwen 3.5 397B scores 45.0% on ARC-AGI compared to Claude 3 Opus's 8.0%.
Context: In context, Qwen 3.5 397B scores 262K on Context Length compared to Claude 3 Opus's 200K.
Pricing Comparison
Claude 3 Opus costs $15.0/1M input tokens and $75.0/1M 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
Claude 3 Opus generates output at 25 tok/s compared to Qwen 3.5 397B's 45 tok/s, and the time to first token is 800 ms for Claude 3 Opus versus 600 ms for Qwen 3.5 397B. Qwen 3.5 397B delivers faster throughput.
Verdict
Qwen 3.5 397B leads across the board in coding, general intelligence, math, affordability, speed, making it the stronger overall choice in this comparison.
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Claude 3 Opus vs Qwen 3.5 397B — FAQ
Which is better, Claude 3 Opus or Qwen 3.5 397B?
Qwen 3.5 397B wins on more benchmarks overall (14 vs 0). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude 3 Opus 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 22.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude 3 Opus cheaper than Qwen 3.5 397B?
Yes, Qwen 3.5 397B is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. Qwen 3.5 397B costs $0.55/1M input and $3.5/1M output tokens.
Which is faster, Claude 3 Opus or Qwen 3.5 397B?
Qwen 3.5 397B is faster, generating output at 45 tok/s compared to 25 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude 3 Opus 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.