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Claude Sonnet 5 vs Qwen-Plus

Side-by-side API pricing and Artificial Analysis performance for Claude Sonnet 5 (Anthropic) and Qwen-Plus (Alibaba (Qwen)). Green cells mark the better value in each row.

Prices updated Sep 18, 2026, 5:39 PM UTC · refreshed hourly

Claude Sonnet 5

Anthropic

Qwen-Plus

Alibaba (Qwen)

Pricing
Input $/1M$2.00$0.26
Output $/1M$10.00$0.78
Blended $/1M (3:1)$4.00$0.39
RAG example (30K in / 2K out)$0.08$0.00936
Quality & speed
Intelligence Index38.4
Coding Index71.5
Agentic Index44.3
Output speed (tok/s)78
Time to first token105.36s
Specs
Context window1M1M
Input modalitiestext, image, filetext

FAQ

Which is cheaper, Claude Sonnet 5 or Qwen-Plus?

Qwen-Plus has the lower blended API price at $0.39 per 1M tokens (3:1 input:output mix), versus $4.00 for the other model. Prices are live from OpenRouter and refresh about hourly.

Which is better for RAG workloads?

For a typical RAG request (30K input / 2K output tokens), Qwen-Plus costs about $0.00936 per request versus $0.08. Also compare context windows: Claude Sonnet 5 offers 1M and Qwen-Plus offers 1M.

Which scores higher on Artificial Analysis benchmarks?

Claude Sonnet 5 leads on the Artificial Analysis Intelligence Index (38.4 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.