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Atria Dawn Preview vs o1

Atria Dawn Preview leads the LLM Stats Score 52.3 to 20.9.

Shanghai AI Laboratory · OpenAI · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 20.9, 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 o1

  • you want predictable pricing at $15.00/M input and $60.00/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
o1
OpenAI
Core performance indexes
LLM Stats Score
52.3
#10
20.9
#191
Reasoning
50.5
#12
21.3
#181
Coding
36.2
#22
4.6
#206
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$15.00 / M
Output price
— / M
$60.00 / M
Context window
—
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Atria Dawn Preview
o1
Tool use
31.1#12
12.7#101
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

12 reported for Atria Dawn Preview · 19 for o1

No common benchmarks found

Atria Dawn Preview and o1don'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

Context Window

Maximum input and output token capacity

Only o1 specifies input context (200,000 tokens). Only o1 specifies output context (100,000 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
OpenAI
o1
Input200,000 tokens
Output100,000 tokens
Tue Sep 15 2026 • llm-stats.com

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while o1 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

o1

Proprietary

Closed source

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while o1 was released on 2024-12-17.

Atria Dawn Preview is 21 months newer than o1.

Atria Dawn Preview

Sep 11, 2026

4 days ago

1.7yr newer
o1

Dec 17, 2024

1.7 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 o1 side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
o1
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs o1.

Which is better, Atria Dawn Preview or o1?

Atria Dawn Preview leads the LLM Stats Score 52.3 to 20.9. Atria Dawn Preview is made by Shanghai AI Laboratory and o1 is made by OpenAI. 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 o1 in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. o1 scores GSM8k: 97.1%, MATH: 96.4%, GPQA Physics: 92.8%, MMLU: 91.8%, MGSM: 89.3%.

What are the context window sizes for Atria Dawn Preview and o1?

Atria Dawn Preview supports an unknown number of tokens and o1 supports 200K 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 o1?

Key differences include LLM Stats Score (52.3 vs 20.9), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and o1?

Atria Dawn Preview is developed by Shanghai AI Laboratory and o1 is developed by OpenAI.

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