Claude Opus 4 vs Qwen Plus

Performance benchmarks + pricing comparison — updated April 2026

Claude Opus 4

Anthropic

Anthropic's most powerful model. Best for complex reasoning and challenging coding tasks.

Input$15.00/M
Output$75.00/M
Context200K tokens
Best ForComplex architecture decisions, debugging hard bugs, research
Benchmark86/100

Qwen Plus

Qwen

Balanced Qwen model for general tasks. Good price-performance ratio.

Input$0.400/M
Output$1.20/M
Context128K tokens
Best ForGeneral-purpose tasks, bilingual coding
Benchmark55/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

BenchmarkClaude Opus 4Qwen PlusLeader
Overall Score 86 55 Claude Opus 4 leads by 31pts
SWE-bench Verified 84 48 Claude Opus 4 leads by 36pts
LiveCodeBench 88 58 Claude Opus 4 leads by 30pts
HumanEval 96 78 Claude Opus 4 leads by 18pts
BigCodeBench 76 40 Claude Opus 4 leads by 36pts

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioClaude Opus 4Qwen PlusSavings
Small Script (1K lines) $3.08 $0.05 Qwen Plus saves $3.03 (98%)
Medium Feature (10K lines) $23.29 $0.38 Qwen Plus saves $22.91 (98%)
Large Project (50K lines) $116.44 $1.90 Qwen Plus saves $114.54 (98%)
Code Review (5K lines) $6.02 $0.10 Qwen Plus saves $5.92 (98%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

ModelOverall ScorePrice per Score PointVerdict
Claude Opus 4 86 $0.174/pt Higher cost per point
Qwen Plus 55 $0.007/pt Better value

Qwen Plus delivers the best value at $0.007 per score point.

Strengths & Weaknesses

Claude Opus 4

  • + Best at complex reasoning
  • + Strong system design
  • + Excellent debugging
  • - Expensive for bulk tasks
  • - Slower response times

Qwen Plus

  • + Budget-friendly
  • - Average performance

Verdict

Qwen Plus is cheaper at $0.400/M, but Claude Opus 4 scores higher on benchmarks (86 vs 55).

Choose Qwen Plus for cost-sensitive projects, Claude Opus 4 when performance matters most.

Compare with Other Models