Claude 3.5 Sonnet vs Qwen 3 Coder

Performance benchmarks + pricing comparison — updated April 2026

Claude 3.5 Sonnet

Anthropic

Previous generation Sonnet. Still excellent for coding tasks at the same price point.

Input$3.00/M
Output$15.00/M
Context200K tokens
Best ForCoding assistants, web development, data analysis
Benchmark72/100

Qwen 3 Coder

Qwen

Latest Qwen coding-specialized model. Strong performance on HumanEval and competitive programming benchmarks.

Input$0.500/M
Output$2.00/M
Context256K tokens
Best ForCode generation, competitive programming, Chinese/English bilingual coding

Cost Comparison by Scenario

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

ScenarioClaude 3.5 SonnetQwen 3 CoderSavings
Small Script (1K lines) $0.62 $0.08 Qwen 3 Coder saves $0.54 (87%)
Medium Feature (10K lines) $4.66 $0.57 Qwen 3 Coder saves $4.08 (88%)
Large Project (50K lines) $23.29 $2.88 Qwen 3 Coder saves $20.41 (88%)
Code Review (5K lines) $1.20 $0.14 Qwen 3 Coder saves $1.07 (89%)

Verdict

Qwen 3 Coder wins on both price and performance — $0.500/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models