AiCostCompare

Claude Opus 4.6 vs Qwen3.5 Plus 2026-02-15

Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and Qwen3.5 Plus 2026-02-15 (Alibaba (Qwen)). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:33 AM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

Qwen3.5 Plus 2026-02-15

Alibaba (Qwen)

Pricing
Input $/1M$5.00$0.26
Output $/1M$25.00$1.56
Blended $/1M (3:1)$10.00$0.585
RAG example (30K in / 2K out)$0.2$0.0109
Quality & speed
Intelligence Index37.8
Coding Index
Agentic Index
Output speed (tok/s)57
Time to first token1.85s
Specs
Context window1M1M
Input modalitiestext, image, filetext, image, video

FAQ

Which is cheaper, Claude Opus 4.6 or Qwen3.5 Plus 2026-02-15?

Qwen3.5 Plus 2026-02-15 has the lower blended API price at $0.585 per 1M tokens (3:1 input:output mix), versus $10.00 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), Qwen3.5 Plus 2026-02-15 costs about $0.0109 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and Qwen3.5 Plus 2026-02-15 offers 1M.

Which scores higher on Artificial Analysis benchmarks?

Claude Opus 4.6 leads on the Artificial Analysis Intelligence Index (37.8 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.