Atria Dawn Preview vs o3
Atria Dawn Preview leads the LLM Stats Score 52.3 to 31.1.
Shanghai AI Laboratory · OpenAI · Updated for 2026
Which is better?
Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 31.1, 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
- you need open weights you can self-host or fine-tune
Choose o3
- you want predictable pricing at $2.00/M input and $8.00/M output
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
12 reported for Atria Dawn Preview · 22 for o3
Atria Dawn Preview outperforms in 1 benchmarks (BrowseComp), while o3 is better at 0 benchmarks.
Atria Dawn Preview significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only o3 specifies input context (200,000 tokens). Only o3 specifies output context (100,000 tokens).
Input capabilities
Documented input modalities across available providers
o3 supports multimodal inputs, whereas Atria Dawn Preview does not.
o3 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Atria Dawn Preview
o3
License
Usage and distribution terms
Atria Dawn Preview is licensed under MIT, while o3 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Atria Dawn Preview was released on 2026-09-11, while o3 was released on 2025-04-16.
Atria Dawn Preview is 17 months newer than o3.
Sep 11, 2026
4 days ago
1.4yr newerApr 16, 2025
1.4 years ago
Knowledge Cutoff
When training data ends
o3 has a documented knowledge cutoff of 2024-05-31, while Atria Dawn Preview's cutoff date is not specified.
We can confirm o3's training data extends to 2024-05-31, but cannot make a direct comparison without Atria Dawn Preview's cutoff date.
—
May 2024
Outputs Comparison
Judge for yourself.
Run your own prompts against Atria Dawn Preview and o3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Atria Dawn Preview vs o3.