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Qwen3.5 27B vs Qwen3.5 9B

SpecQwen3.5 27BQwen3.5 9B
Respan Index20.2 (#117)20.5 (#115)
Blended price per 1M$0.236$0.1
Context window262K262K
Input / output per 1M$0.086 / $0.688$0.09 / $0.13
Max output--
Inputtext, visiontext, vision, video
Released-2026-03-02

Respan Index by category

Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.

CategoryQwen3.5 27BQwen3.5 9B
Coding5.8 Qwen3.5 27B2.8 Qwen3.5 9B
Agents11.2 Qwen3.5 27B23.0 Qwen3.5 9B
Reasoning25.1 Qwen3.5 27B23.4 Qwen3.5 9B
Knowledge & language22.6 Qwen3.5 27B14.6 Qwen3.5 9B
Human preference49.3 Qwen3.5 27B44.6* Qwen3.5 9B

* Estimated: no published scores in that category. How the Respan Index works

Benchmarks both report

Qwen3.5 27B leads on 2 of the 3 benchmarks both report. Higher is better. Each score links to where it was published.

BenchmarkQwen3.5 27BQwen3.5 9B
AIME 202691.7%92.5%
GPQA Diamond85.5%81.7%
MMLU-Pro86.1%82.5%

FAQ

Is Qwen3.5 27B better than Qwen3.5 9B?

Qwen3.5 9B scores 20.5 on the Respan Index (#115), ahead of Qwen3.5 27B at 20.2 (#117). Qwen3.5 27B leads on 2 of the 3 benchmarks both report.

Which is cheaper, Qwen3.5 27B or Qwen3.5 9B?

Qwen3.5 27B lists at $0.086 input and $0.688 output per 1M tokens; Qwen3.5 9B at $0.09 and $0.13. Qwen3.5 9B is 2.4x cheaper per token at list price.

Which has the larger context window?

Both accept 262K tokens of context.

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