The AI arena is free today

Open Superagent

Atria Dawn Preview vs Gemini 3.8 Flash

Atria Dawn Preview and Gemini 3.8 Flash are closely matched at 52.3 and 50.5 on the LLM Stats Score.

Shanghai AI Laboratory · Google · Updated for 2026

Which is better?

Atria Dawn Preview and Gemini 3.8 Flash are closely matched on the overall LLM Stats Score at 52.3 and 50.5.

The models split the 2 individual benchmarks reported for both models evenly.

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

Choose Atria Dawn Preview

  • you want the most recent training data — it shipped Sep 2026
  • you need open weights you can self-host or fine-tune

Choose Gemini 3.8 Flash

  • you want predictable pricing at $0.75/M input and $3.75/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
Gemini 3.8 Flash
Google
Core performance indexes
LLM Stats Score
52.3
#10
50.5
#17
Reasoning
50.5
#12
46.9
#25
Coding
36.2
#22
38.6
#15
Agents
38.8
#10
35.6
#18
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
— / M
$0.75 / M
Output price
— / M
$3.75 / M
Context window
—
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Atria Dawn Preview
Gemini 3.8 Flash
Tool use
31.1#12
27.0#25
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

12 reported for Atria Dawn Preview · 13 for Gemini 3.8 Flash

2 shared

Atria Dawn Preview outperforms in 1 benchmarks (GDPval-AA), while Gemini 3.8 Flash is better at 1 benchmark (Terminal-Bench 2.1).

Both models are evenly matched across the benchmarks.

Tue Sep 15 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Gemini 3.8 Flash specifies input context (1,048,576 tokens). Only Gemini 3.8 Flash specifies output context (65,536 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
Google
Gemini 3.8 Flash
Input1,048,576 tokens
Output65,536 tokens
Tue Sep 15 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 3.8 Flash supports multimodal inputs, whereas Atria Dawn Preview does not.

Gemini 3.8 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Atria Dawn Preview

Text
Images
Audio
Video

Gemini 3.8 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while Gemini 3.8 Flash uses a proprietary license.

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

Atria Dawn Preview

MIT

Open weights

Gemini 3.8 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while Gemini 3.8 Flash was released on 2026-09-02.

Atria Dawn Preview is 0 month newer than Gemini 3.8 Flash.

Atria Dawn Preview

Sep 11, 2026

4 days ago

1w newer
Gemini 3.8 Flash

Sep 2, 2026

1 weeks ago

Knowledge Cutoff

When training data ends

Gemini 3.8 Flash has a documented knowledge cutoff of 2026-03-31, while Atria Dawn Preview's cutoff date is not specified.

We can confirm Gemini 3.8 Flash's training data extends to 2026-03-31, but cannot make a direct comparison without Atria Dawn Preview's cutoff date.

Atria Dawn Preview

—

Gemini 3.8 Flash

Mar 2026

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Atria Dawn Preview and Gemini 3.8 Flash side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
Gemini 3.8 Flash
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs Gemini 3.8 Flash.

Which is better, Atria Dawn Preview or Gemini 3.8 Flash?

Atria Dawn Preview and Gemini 3.8 Flash are closely matched on the LLM Stats Score at 52.3 and 50.5. Atria Dawn Preview is made by Shanghai AI Laboratory and Gemini 3.8 Flash is made by Google. 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 Gemini 3.8 Flash in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. Gemini 3.8 Flash scores Terminal-Bench 2.1: 89.4%, LVBench: 87.1%, CharXiv-R: 86.2%, LABBench2: 86.2%, DeepSWE 1.1: 73.7%.

What are the context window sizes for Atria Dawn Preview and Gemini 3.8 Flash?

Atria Dawn Preview supports an unknown number of tokens and Gemini 3.8 Flash 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 Gemini 3.8 Flash?

Key differences include LLM Stats Score (52.3 vs 50.5), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and Gemini 3.8 Flash?

Atria Dawn Preview is developed by Shanghai AI Laboratory and Gemini 3.8 Flash is developed by Google.

Related comparisons