Which is better for coding — Qwen3.5-397B-A17B or Qwen3.5 9B?

Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.

Which model is cheaper — Qwen3.5-397B-A17B or Qwen3.5 9B?

API pricing data is available on the individual model pages.

Which has a larger context window — Qwen3.5-397B-A17B or Qwen3.5 9B?

Context window data is available on the individual model pages.

Qwen3.5-397B-A17B vs Qwen3.5 9B: Specs & Benchmark Comparison

Characteristic	Qwen3.5-397B-A17B	Qwen3.5 9B
Company	Alibaba	Alibaba
Release Date	February 15, 2026	March 1, 2026
Parameters	397B	9B
Multimodal	Yes	No
Average Score	0.9	0.9
Benchmarks
HMMT 2025	0.9	0.8
C-Eval	0.9	0.9
MMLU-Redux	0.9	0.9
IFEval	0.9	0.9

Visual Benchmark Comparison

Qwen3.5-397B-A17B

Qwen3.5 9B

HMMT 20250.9 vs 0.8

0.9

0.8

C-Eval0.9 vs 0.9

0.9

MMLU-Redux0.9 vs 0.9

0.9

IFEval0.9 vs 0.9

0.9

Verdict

Qwen3.5 9B leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Qwen3.5-397B-A17B — 0.9, Qwen3.5 9B — 0.9.

Recency

Qwen3.5 9B is newer: released 3/1/2026 vs 2/15/2026.

More About These Models

Qwen3.5-397B-A17B

Alibaba — specs, benchmarks, API

Qwen3.5 9B

Alibaba — specs, benchmarks, API

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The Qwen3.5-397B-A17B and Qwen3.5 9B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Qwen3.5-397B-A17B or Qwen3.5 9B page. See also the complete list of AI model comparisons.