Qwen3.5-397B-A17B vs Qwen3.5-2B Comparison

Comparing Qwen3.5-397B-A17B and Qwen3.5-2B across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

20 benchmarks

Qwen3.5-397B-A17B outperforms in 20 benchmarks (AA-LCR, BFCL-V4, C-Eval, Global PIQA, GPQA, IFBench, IFEval, Include, LongBench v2, MAXIFE, MMLU-Pro, MMLU-ProX, MMLU-Redux, MMMLU, Multi-Challenge, NOVA-63, PolyMATH, SuperGPQA, t2-bench, WMT24++), while Qwen3.5-2B is better at 0 benchmarks.

Qwen3.5-397B-A17B significantly outperforms across most benchmarks.

Tue Mar 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Tue Mar 17 2026 • llm-stats.com
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input tokens$0.60
Output tokens$3.60
Best providerNovita
Alibaba Cloud / Qwen Team
Qwen3.5-2B
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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Model Size

Parameter count comparison

395.0B diff

Qwen3.5-397B-A17B has 395.0B more parameters than Qwen3.5-2B, making it 19750.0% larger.

Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
397.0Bparameters
Alibaba Cloud / Qwen Team
Qwen3.5-2B
2.0Bparameters
397.0B
Qwen3.5-397B-A17B
2.0B
Qwen3.5-2B

Context Window

Maximum input and output token capacity

Only Qwen3.5-397B-A17B specifies input context (262,144 tokens). Only Qwen3.5-397B-A17B specifies output context (64,000 tokens).

Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input262,144 tokens
Output64,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-2B
Input- tokens
Output- tokens
Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Qwen3.5-397B-A17B and Qwen3.5-2B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Qwen3.5-397B-A17B

Text
Images
Audio
Video

Qwen3.5-2B

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

Qwen3.5-397B-A17B

Apache 2.0

Open weights

Qwen3.5-2B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Qwen3.5-397B-A17B was released on 2026-02-16, while Qwen3.5-2B was released on 2026-03-02.

Qwen3.5-2B is 0 month newer than Qwen3.5-397B-A17B.

Qwen3.5-397B-A17B

Feb 16, 2026

4 weeks ago

Qwen3.5-2B

Mar 2, 2026

2 weeks ago

2w newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

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Key Takeaways

Alibaba Cloud / Qwen Team

Qwen3.5-397B-A17B

View details

Alibaba Cloud / Qwen Team

Larger context window (262,144 tokens)
Higher AA-LCR score (68.7% vs 25.6%)
Higher BFCL-V4 score (72.9% vs 43.6%)
Higher C-Eval score (93.0% vs 73.2%)
Higher Global PIQA score (89.8% vs 69.3%)
Higher GPQA score (88.4% vs 51.6%)
Higher IFBench score (76.5% vs 41.3%)
Higher IFEval score (92.6% vs 78.6%)
Higher Include score (85.6% vs 55.4%)
Higher LongBench v2 score (63.2% vs 38.7%)
Higher MAXIFE score (88.2% vs 60.6%)
Higher MMLU-Pro score (87.8% vs 66.5%)
Higher MMLU-ProX score (84.7% vs 52.3%)
Higher MMLU-Redux score (94.9% vs 79.6%)
Higher MMMLU score (88.5% vs 63.1%)
Higher Multi-Challenge score (67.6% vs 33.7%)
Higher NOVA-63 score (59.1% vs 46.4%)
Higher PolyMATH score (73.3% vs 26.1%)
Higher SuperGPQA score (70.4% vs 37.5%)
Higher t2-bench score (86.7% vs 48.8%)
Higher WMT24++ score (78.9% vs 45.8%)
Alibaba Cloud / Qwen Team

Qwen3.5-2B

View details

Alibaba Cloud / Qwen Team

Detailed Comparison

AI Model Comparison Table
Feature
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Alibaba Cloud / Qwen Team
Qwen3.5-2B