DeepSeek R1 vs Qwen: Qwen3.5 Plus 2026-04-20
Compare DeepSeek R1 by DeepSeek against Qwen: Qwen3.5 Plus 2026-04-20 by Qwen, context windows of 128K vs 1.0M, tested across 51 shared challenges. Updated May 2026.
Which is better, DeepSeek R1 or Qwen: Qwen3.5 Plus 2026-04-20?
DeepSeek R1 and Qwen: Qwen3.5 Plus 2026-04-20 are both competitive models. DeepSeek R1 costs $0.55/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-04-20. Context windows: 128K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek R1 and Qwen: Qwen3.5 Plus 2026-04-20
DeepSeek R1 is made by deepseek while Qwen: Qwen3.5 Plus 2026-04-20 is from qwen. DeepSeek R1 has a 128K token context window compared to Qwen: Qwen3.5 Plus 2026-04-20's 1000K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-04-20.
Per 1M tokens
Qwen: Qwen3.5 Plus 2026-04-20 wins input (1.4× cheaper)·DeepSeek R1 wins output (1.1× cheaper)
No community votes yet. On paper, Qwen: Qwen3.5 Plus 2026-04-20 has the edge — bigger model tier, newer, bigger context window.
Style Comparison
Qwen: Qwen3.5 Plus 2026-04-20 uses 35.5x more emoji
