OpenAI o4-mini vs Qwen3.5 9B

Compare OpenAI o4-mini by OpenAI against Qwen3.5 9B by Qwen, tested across 33 shared challenges. Updated March 2026.

Which is better, OpenAI o4-mini or Qwen3.5 9B?

OpenAI o4-mini and Qwen3.5 9B are both competitive models. OpenAI o4-mini costs $1.1/M input tokens vs $0.1/M for Qwen3.5 9B. Compare their real outputs side by side below.

Key Differences Between OpenAI o4-mini and Qwen3.5 9B

OpenAI o4-mini is made by openai while Qwen3.5 9B is from qwen. On pricing, OpenAI o4-mini costs $1.1/M input tokens vs $0.1/M for Qwen3.5 9B.

Our Verdict
OpenAI o4-mini
OpenAI o4-mini
Qwen3.5 9B
Qwen3.5 9BRunner-up

No community votes yet. On paper, OpenAI o4-mini has the edge — bigger model tier, major provider backing.

Qwen3.5 9B is 29x cheaper per token — worth considering if cost matters.

Too close to call
FAQ

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