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Atria Dawn Preview vs Grok-1.5

Atria Dawn Preview leads the LLM Stats Score 52.3 to -2.6.

Shanghai AI Laboratory · xAI · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to -2.6, ranking #10 overall.

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

Choose Grok-1.5

  • you are already invested in the xAI ecosystem

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
Grok-1.5
xAI
Core performance indexes
LLM Stats Score
52.3
#10
-2.6
#340
Reasoning
50.5
#12
-2.2
#330
Coding
36.2
#22
-0.9
#246
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Individual benchmarks

12 reported for Atria Dawn Preview · 9 for Grok-1.5

No common benchmarks found

Atria Dawn Preview and Grok-1.5don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while Grok-1.5 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-1.5

Proprietary

Closed source

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while Grok-1.5 was released on 2024-03-28.

Atria Dawn Preview is 30 months newer than Grok-1.5.

Atria Dawn Preview

Sep 11, 2026

5 days ago

2.5yr newer
Grok-1.5

Mar 28, 2024

2.5 years 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 Grok-1.5 side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
Grok-1.5
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs Grok-1.5.

Which is better, Atria Dawn Preview or Grok-1.5?

Atria Dawn Preview leads the LLM Stats Score 52.3 to -2.6. Atria Dawn Preview is made by Shanghai AI Laboratory and Grok-1.5 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-1.5 in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. Grok-1.5 scores GSM8k: 90.0%, DocVQA: 85.6%, MMLU: 81.3%, HumanEval: 74.1%, MMMU: 53.6%.

What are the main differences between Atria Dawn Preview and Grok-1.5?

Key differences include LLM Stats Score (52.3 vs -2.6), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and Grok-1.5?

Atria Dawn Preview is developed by Shanghai AI Laboratory and Grok-1.5 is developed by xAI.

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