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Atria Dawn Preview vs MiMo-V2-Flash

Atria Dawn Preview leads the LLM Stats Score 52.3 to 30.7.

Shanghai AI Laboratory · Xiaomi · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 30.7, 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 coding — 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-Flash

  • you want predictable pricing at $0.10/M input and $0.30/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
MiMo-V2-Flash
Xiaomi
Core performance indexes
LLM Stats Score
52.3
#10
30.7
#117
Reasoning
50.5
#12
30.8
#113
Coding
36.2
#22
17.5
#118
Agents
38.8
#10
8.1
#134
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
$0.10 / M
Output price
— / M
$0.30 / M
Context window
—
256,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Atria Dawn Preview
MiMo-V2-Flash
Tool use
31.1#12
6.3#147
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

12 reported for Atria Dawn Preview · 15 for MiMo-V2-Flash

1 shared

Atria Dawn Preview outperforms in 1 benchmarks (BrowseComp), while MiMo-V2-Flash 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

435.0B diff

Atria Dawn Preview has 435.0B more parameters than MiMo-V2-Flash, making it 140.8% larger.

Shanghai AI Laboratory
Atria Dawn Preview
744.0Bparameters
Xiaomi
MiMo-V2-Flash
309.0Bparameters
744.0B
Atria Dawn Preview
309.0B
MiMo-V2-Flash

Context Window

Maximum input and output token capacity

Only MiMo-V2-Flash specifies input context (256,000 tokens). Only MiMo-V2-Flash specifies output context (16,384 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
Xiaomi
MiMo-V2-Flash
Input256,000 tokens
Output16,384 tokens
Sun Sep 20 2026 • llm-stats.com

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-Flash

MIT

Open weights

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while MiMo-V2-Flash was released on 2025-12-16.

Atria Dawn Preview is 9 months newer than MiMo-V2-Flash.

Atria Dawn Preview

Sep 11, 2026

1 weeks ago

8mo newer
MiMo-V2-Flash

Dec 16, 2025

9 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-Flash side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
MiMo-V2-Flash
Open in Playground

FAQ

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

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

Atria Dawn Preview leads the LLM Stats Score 52.3 to 30.7. Atria Dawn Preview is made by Shanghai AI Laboratory and MiMo-V2-Flash 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-Flash 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-Flash scores AIME 2025: 94.1%, Arena-Hard v2: 86.2%, MMLU-Pro: 84.9%, HMMT 2025: 84.4%, GPQA: 83.7%.

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

Atria Dawn Preview supports an unknown number of tokens and MiMo-V2-Flash 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 MiMo-V2-Flash?

Key differences include LLM Stats Score (52.3 vs 30.7). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and MiMo-V2-Flash?

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

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