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Atria Dawn Preview vs MiMo-V2.5

Atria Dawn Preview leads the LLM Stats Score 52.3 to 35.5.

Shanghai AI Laboratory · Xiaomi · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 35.5, ranking #10 overall.

In the 1 individual benchmarks reported for both models, Atria Dawn Preview wins 1; 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 1 of 1 exact shared results
  • you want the most recent training data — it shipped Sep 2026

Choose MiMo-V2.5

  • you want predictable pricing at $0.17/M input and $0.34/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
MiMo-V2.5
Xiaomi
Core performance indexes
LLM Stats Score
52.3
#10
35.5
#84
Reasoning
50.5
#12
35.6
#78
Coding
36.2
#22
26.8
#62
Agents
38.8
#10
18.8
#67
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
$0.17 / M
Output price
— / M
$0.34 / M
Context window
—
1,048,576

Individual benchmarks

12 reported for Atria Dawn Preview · 14 for MiMo-V2.5

1 shared

Atria Dawn Preview outperforms in 1 benchmarks (SWE-Bench Pro), while MiMo-V2.5 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

433.2B diff

Atria Dawn Preview has 433.2B more parameters than MiMo-V2.5, making it 139.4% larger.

Shanghai AI Laboratory
Atria Dawn Preview
744.0Bparameters
Xiaomi
MiMo-V2.5
310.8Bparameters
744.0B
Atria Dawn Preview
310.8B
MiMo-V2.5

Context Window

Maximum input and output token capacity

Only MiMo-V2.5 specifies input context (1,048,576 tokens). Only MiMo-V2.5 specifies output context (131,072 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
Xiaomi
MiMo-V2.5
Input1,048,576 tokens
Output131,072 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

MiMo-V2.5 supports multimodal inputs, whereas Atria Dawn Preview does not.

MiMo-V2.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Atria Dawn Preview

Text
Images
Audio
Video

MiMo-V2.5

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under MIT.

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

Atria Dawn Preview

MIT

Open weights

MiMo-V2.5

MIT

Open weights

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while MiMo-V2.5 was released on 2026-04-22.

Atria Dawn Preview is 5 months newer than MiMo-V2.5.

Atria Dawn Preview

Sep 11, 2026

1 weeks ago

4mo newer
MiMo-V2.5

Apr 22, 2026

5 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 MiMo-V2.5 side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
MiMo-V2.5
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs MiMo-V2.5.

Which is better, Atria Dawn Preview or MiMo-V2.5?

Atria Dawn Preview leads the LLM Stats Score 52.3 to 35.5. Atria Dawn Preview is made by Shanghai AI Laboratory and MiMo-V2.5 is made by Xiaomi. 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 MiMo-V2.5 in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. MiMo-V2.5 scores HR-Bench (4k): 88.5%, Video-MME: 87.7%, OmniDocBench: 87.2%, GraphWalks: 87.0%, DailyOmni: 83.5%.

What are the context window sizes for Atria Dawn Preview and MiMo-V2.5?

Atria Dawn Preview supports an unknown number of tokens and MiMo-V2.5 supports 1.0M 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 MiMo-V2.5?

Key differences include LLM Stats Score (52.3 vs 35.5), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and MiMo-V2.5?

Atria Dawn Preview is developed by Shanghai AI Laboratory and MiMo-V2.5 is developed by Xiaomi.

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