Qwen3.5 9B vs GPT-4o (Omni)

Compare Qwen3.5 9B by Qwen against GPT-4o (Omni) by OpenAI, context windows of 262K vs 128K, tested across 48 shared challenges. Updated March 2026.

Which is better, Qwen3.5 9B or GPT-4o (Omni)?

Qwen3.5 9B and GPT-4o (Omni) are both competitive models. Qwen3.5 9B costs $0.1/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 262K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Qwen3.5 9B and GPT-4o (Omni)

Qwen3.5 9B is made by qwen while GPT-4o (Omni) is from openai. Qwen3.5 9B has a 262K token context window compared to GPT-4o (Omni)'s 128K. On pricing, Qwen3.5 9B costs $0.1/M input tokens vs $2.5/M for GPT-4o (Omni).

Our Verdict
Qwen3.5 9B
Qwen3.5 9B
GPT-4o (Omni)
GPT-4o (Omni)

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

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

Too close to call
FAQ

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