Qwen: Qwen3.5 397B A17B vs Qwen: Qwen3.5 Plus 2026-02-15
Compare Qwen: Qwen3.5 397B A17B and Qwen: Qwen3.5 Plus 2026-02-15, both from Qwen, context windows of 262K vs 1.0M, tested across 52 shared challenges. Updated February 2026.
What is the difference between Qwen: Qwen3.5 397B A17B and Qwen: Qwen3.5 Plus 2026-02-15?
Both are developed by Qwen but target different use cases. Qwen: Qwen3.5 397B A17B has a 262K token context window vs Qwen: Qwen3.5 Plus 2026-02-15's 1.0M. You can compare their actual outputs across 52 challenges on RIVAL to see how they differ in practice.
Which is better, Qwen: Qwen3.5 397B A17B or Qwen: Qwen3.5 Plus 2026-02-15?
It depends on your use case. Qwen: Qwen3.5 397B A17B and Qwen: Qwen3.5 Plus 2026-02-15 each have strengths in different areas. RIVAL lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.
How much does Qwen: Qwen3.5 397B A17B cost compared to Qwen: Qwen3.5 Plus 2026-02-15?
Qwen: Qwen3.5 397B A17B costs $0.6/M input tokens and Qwen: Qwen3.5 Plus 2026-02-15 costs $0.4/M input tokens. Qwen: Qwen3.5 Plus 2026-02-15 is $0.20/M cheaper per input. Check their side-by-side outputs on RIVAL to see if the price difference is justified by quality.
How can I compare Qwen: Qwen3.5 397B A17B and Qwen: Qwen3.5 Plus 2026-02-15 on RIVAL?
This page shows a side-by-side comparison of Qwen: Qwen3.5 397B A17B and Qwen: Qwen3.5 Plus 2026-02-15 across shared challenges. You can vote on which model produced the better output, and Pro users can create custom challenges to test both models with their own prompts.