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Atria Dawn Preview vs Mistral Medium 3.5

Atria Dawn Preview leads the LLM Stats Score 52.3 to 26.9.

Shanghai AI Laboratory · Mistral AI · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 26.9, ranking #10 overall.

In the 2 individual benchmarks reported for both models, Atria Dawn Preview wins 2; 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 agents — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you want the most recent training data — it shipped Sep 2026

Choose Mistral Medium 3.5

  • you want predictable pricing at $1.50/M input and $7.50/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
Mistral Medium 3.5
Mistral AI
Core performance indexes
LLM Stats Score
52.3
#10
26.9
#145
Reasoning
50.5
#12
27.3
#137
Coding
36.2
#22
23.7
#75
Agents
38.8
#10
9.1
#130
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
— / M
$1.50 / M
Output price
— / M
$7.50 / M
Context window
—
256,000

Individual benchmarks

12 reported for Atria Dawn Preview · 11 for Mistral Medium 3.5

2 shared

Atria Dawn Preview outperforms in 2 benchmarks (BrowseComp, Tau3 Banking), while Mistral Medium 3.5 is better at 0 benchmarks.

Atria Dawn Preview significantly outperforms across most benchmarks.

Wed Sep 16 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

616.0B diff

Atria Dawn Preview has 616.0B more parameters than Mistral Medium 3.5, making it 481.3% larger.

Shanghai AI Laboratory
Atria Dawn Preview
744.0Bparameters
Mistral AI
Mistral Medium 3.5
128.0Bparameters
744.0B
Atria Dawn Preview
128.0B
Mistral Medium 3.5

Context Window

Maximum input and output token capacity

Only Mistral Medium 3.5 specifies input context (256,000 tokens). Only Mistral Medium 3.5 specifies output context (256,000 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
Mistral AI
Mistral Medium 3.5
Input256,000 tokens
Output256,000 tokens
Wed Sep 16 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Mistral Medium 3.5 supports multimodal inputs, whereas Atria Dawn Preview does not.

Mistral Medium 3.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Atria Dawn Preview

Text
Images
Audio
Video

Mistral Medium 3.5

Text
Images
Audio
Video

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while Mistral Medium 3.5 uses Modified MIT License.

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

Atria Dawn Preview

MIT

Open weights

Mistral Medium 3.5

Modified MIT License

Open weights

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while Mistral Medium 3.5 was released on 2026-04-29.

Atria Dawn Preview is 5 months newer than Mistral Medium 3.5.

Atria Dawn Preview

Sep 11, 2026

4 days ago

4mo newer
Mistral Medium 3.5

Apr 29, 2026

4 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 Mistral Medium 3.5 side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
Mistral Medium 3.5
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs Mistral Medium 3.5.

Which is better, Atria Dawn Preview or Mistral Medium 3.5?

Atria Dawn Preview leads the LLM Stats Score 52.3 to 26.9. Atria Dawn Preview is made by Shanghai AI Laboratory and Mistral Medium 3.5 is made by Mistral AI. 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 Mistral Medium 3.5 in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. Mistral Medium 3.5 scores COLLIE: 95.8%, Tau3 Telecom: 91.4%, AIME 2025: 86.3%, SWE-Bench Verified: 77.6%, Tau3 Retail: 76.1%.

What are the context window sizes for Atria Dawn Preview and Mistral Medium 3.5?

Atria Dawn Preview supports an unknown number of tokens and Mistral Medium 3.5 supports 256K 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 Mistral Medium 3.5?

Key differences include LLM Stats Score (52.3 vs 26.9), multimodal support (no vs yes), licensing (MIT vs Modified MIT License). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and Mistral Medium 3.5?

Atria Dawn Preview is developed by Shanghai AI Laboratory and Mistral Medium 3.5 is developed by Mistral AI.

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