GPT-5 vs Qwen3.5 9B

Compare GPT-5 by OpenAI against Qwen3.5 9B by Qwen, context windows of 400K vs 262K, tested across 44 shared challenges. Updated March 2026.

Which is better, GPT-5 or Qwen3.5 9B?

GPT-5 and Qwen3.5 9B are both competitive models. GPT-5 costs $1.25/M input tokens vs $0.1/M for Qwen3.5 9B. Context windows: 400K vs 262K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-5 and Qwen3.5 9B

GPT-5 is made by openai while Qwen3.5 9B is from qwen. GPT-5 has a 400K token context window compared to Qwen3.5 9B's 262K. On pricing, GPT-5 costs $1.25/M input tokens vs $0.1/M for Qwen3.5 9B.

Our Verdict
GPT-5
GPT-5
Qwen3.5 9B
Qwen3.5 9BRunner-up

No community votes yet. On paper, GPT-5 has the edge — bigger model tier, bigger context window, major provider backing.

Qwen3.5 9B is 67x cheaper per token — worth considering if cost matters.

Too close to call
FAQ

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