DeepSeek R1 0528 vs Qwen: Qwen3.5 Plus 2026-02-15

Compare DeepSeek R1 0528 by DeepSeek against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, context windows of 164K vs 1.0M, tested across 24 shared challenges. Updated February 2026.

FAQ