Atria Dawn Preview vs o4-mini
Atria Dawn Preview leads the LLM Stats Score 52.3 to 27.5.
Shanghai AI Laboratory · OpenAI · Updated for 2026
Which is better?
Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 27.5, 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 o4-mini
- you want predictable pricing at $1.10/M input and $4.40/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 · 14 for o4-mini
Atria Dawn Preview outperforms in 1 benchmarks (BrowseComp), while o4-mini 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 o4-mini specifies input context (200,000 tokens). Only o4-mini specifies output context (100,000 tokens).
Input capabilities
Documented input modalities across available providers
o4-mini supports multimodal inputs, whereas Atria Dawn Preview does not.
o4-mini can handle both text and other forms of data like images, making it suitable for multimodal applications.
Atria Dawn Preview
o4-mini
License
Usage and distribution terms
Atria Dawn Preview is licensed under MIT, while o4-mini 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 o4-mini was released on 2025-04-16.
Atria Dawn Preview is 17 months newer than o4-mini.
Sep 11, 2026
1 weeks ago
1.4yr newerApr 16, 2025
1.4 years ago
Knowledge Cutoff
When training data ends
o4-mini has a documented knowledge cutoff of 2024-05-31, while Atria Dawn Preview's cutoff date is not specified.
We can confirm o4-mini'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 o4-mini side-by-side, then vote on the output you prefer.
FAQ
Common questions about Atria Dawn Preview vs o4-mini.