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Atria Dawn Preview vs Qwen3.5-397B-A17B

Atria Dawn Preview leads the LLM Stats Score 52.3 to 38.7.

Shanghai AI Laboratory · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 38.7, ranking #10 overall.

In the 3 individual benchmarks reported for both models, Atria Dawn Preview wins 3; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Atria Dawn Preview

  • overall performance matters — it scores 52.3 and ranks #10 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results
  • you want the most recent training data — it shipped Sep 2026

Choose Qwen3.5-397B-A17B

  • you want predictable pricing at $0.45/M input and $3.00/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
Qwen3.5-397B-A17B
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
52.3
#10
38.7
#63
Reasoning
50.5
#12
38.5
#62
Coding
36.2
#22
23.0
#77
Agents
38.8
#10
20.1
#61
Cost, coverage & limits
Benchmark wins
3 of 3
0 of 3
Input price
— / M
$0.45 / M
Output price
— / M
$3.00 / M
Context window
—
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Atria Dawn Preview
Qwen3.5-397B-A17B
Tool use
31.1#12
17.0#78
Research
36.1#1
19.1#25
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

12 reported for Atria Dawn Preview · 38 for Qwen3.5-397B-A17B

3 shared

Atria Dawn Preview outperforms in 3 benchmarks (BFCL-V4, BrowseComp, WideSearch), while Qwen3.5-397B-A17B is better at 0 benchmarks.

Atria Dawn Preview significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

347.0B diff

Atria Dawn Preview has 347.0B more parameters than Qwen3.5-397B-A17B, making it 87.4% larger.

Shanghai AI Laboratory
Atria Dawn Preview
744.0Bparameters
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
397.0Bparameters
744.0B
Atria Dawn Preview
397.0B
Qwen3.5-397B-A17B

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 (262,144 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input262,144 tokens
Output262,144 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Qwen3.5-397B-A17B supports multimodal inputs, whereas Atria Dawn Preview does not.

Qwen3.5-397B-A17B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Atria Dawn Preview

Text
Images
Audio
Video

Qwen3.5-397B-A17B

Text
Images
Audio
Video

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while Qwen3.5-397B-A17B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Atria Dawn Preview

MIT

Open weights

Qwen3.5-397B-A17B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while Qwen3.5-397B-A17B was released on 2026-02-16.

Atria Dawn Preview is 7 months newer than Qwen3.5-397B-A17B.

Atria Dawn Preview

Sep 11, 2026

1 weeks ago

6mo newer
Qwen3.5-397B-A17B

Feb 16, 2026

7 months ago

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

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Atria Dawn Preview and Qwen3.5-397B-A17B side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
Qwen3.5-397B-A17B
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs Qwen3.5-397B-A17B.

Which is better, Atria Dawn Preview or Qwen3.5-397B-A17B?

Atria Dawn Preview leads the LLM Stats Score 52.3 to 38.7. Atria Dawn Preview is made by Shanghai AI Laboratory and Qwen3.5-397B-A17B is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Atria Dawn Preview compare to Qwen3.5-397B-A17B in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. Qwen3.5-397B-A17B scores MMLU-Redux: 94.9%, HMMT 2025: 94.8%, C-Eval: 93.0%, HMMT25: 92.7%, IFEval: 92.6%.

What are the context window sizes for Atria Dawn Preview and Qwen3.5-397B-A17B?

Atria Dawn Preview supports an unknown number of tokens and Qwen3.5-397B-A17B supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Atria Dawn Preview and Qwen3.5-397B-A17B?

Key differences include LLM Stats Score (52.3 vs 38.7), multimodal support (no vs yes), licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and Qwen3.5-397B-A17B?

Atria Dawn Preview is developed by Shanghai AI Laboratory and Qwen3.5-397B-A17B is developed by Alibaba Cloud / Qwen Team.

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