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Atria Dawn Preview vs Grok 4.6

Atria Dawn Preview and Grok 4.6 are closely matched at 52.3 and 46.7 on the LLM Stats Score.

Shanghai AI Laboratory · xAI · Updated for 2026

Which is better?

Atria Dawn Preview and Grok 4.6 are closely matched on the overall LLM Stats Score at 52.3 and 46.7.

In the 1 individual benchmarks reported for both models, Grok 4.6 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

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

Choose Grok 4.6

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
Grok 4.6
xAI
Core performance indexes
LLM Stats Score
52.3
#10
46.7
#25
Reasoning
50.5
#12
48.6
#21
Coding
36.2
#22
37.4
#18
Agents
38.8
#10
37.2
#14
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
— / M
$2.00 / M
Output price
— / M
$6.00 / M
Context window
—
500,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Atria Dawn Preview
Grok 4.6
Tool use
31.1#12
22.2#46
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

12 reported for Atria Dawn Preview · 11 for Grok 4.6

1 shared

Atria Dawn Preview outperforms in 0 benchmarks, while Grok 4.6 is better at 1 benchmark (GDPval-AA).

Grok 4.6 significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Grok 4.6 specifies input context (500,000 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
xAI
Grok 4.6
Input500,000 tokens
Output- tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok 4.6 supports multimodal inputs, whereas Atria Dawn Preview does not.

Grok 4.6 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Atria Dawn Preview

Text
Images
Audio
Video

Grok 4.6

Text
Images
Audio
Video

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while Grok 4.6 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

Grok 4.6

Proprietary

Closed source

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while Grok 4.6 was released on 2026-08-12.

Atria Dawn Preview is 1 month newer than Grok 4.6.

Atria Dawn Preview

Sep 11, 2026

1 weeks ago

1mo newer
Grok 4.6

Aug 12, 2026

1 months ago

Knowledge Cutoff

When training data ends

Grok 4.6 has a documented knowledge cutoff of 2026-02-01, while Atria Dawn Preview's cutoff date is not specified.

We can confirm Grok 4.6's training data extends to 2026-02-01, but cannot make a direct comparison without Atria Dawn Preview's cutoff date.

Atria Dawn Preview

—

Grok 4.6

Feb 2026

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Atria Dawn Preview and Grok 4.6 side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
Grok 4.6
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs Grok 4.6.

Which is better, Atria Dawn Preview or Grok 4.6?

Atria Dawn Preview and Grok 4.6 are closely matched on the LLM Stats Score at 52.3 and 46.7. Atria Dawn Preview is made by Shanghai AI Laboratory and Grok 4.6 is made by xAI. 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 Grok 4.6 in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. Grok 4.6 scores CursorBench v3.2: 69.9%, DeepSWE 1.1: 65.9%, FrontierCode: 61.3%, AA-Index: 61.0%, GDPval-AA: 58.4%.

What are the context window sizes for Atria Dawn Preview and Grok 4.6?

Atria Dawn Preview supports an unknown number of tokens and Grok 4.6 supports 500K 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 Grok 4.6?

Key differences include LLM Stats Score (52.3 vs 46.7), 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 Grok 4.6?

Atria Dawn Preview is developed by Shanghai AI Laboratory and Grok 4.6 is developed by xAI.

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