Hy4 preview vs o1-pro
Hy4 preview leads the LLM Stats Score 51.5 to 20.0.
Tencent · OpenAI · Updated for 2026
Which is better?
Hy4 preview leads the overall LLM Stats Score 51.5 to 20.0, ranking #10 overall.
In the 1 individual benchmarks reported for both models, Hy4 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 Hy4 preview
- overall performance matters — it scores 51.5 and ranks #10 on LLM Stats
- your work emphasizes reasoning — 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 Aug 2026
- you need open weights you can self-host or fine-tune
Choose o1-pro
- you are already invested in the OpenAI ecosystem
At a glance
The differences that matter most.
Individual benchmarks
32 reported for Hy4 preview · 2 for o1-pro
Hy4 preview outperforms in 1 benchmarks (GPQA), while o1-pro is better at 0 benchmarks.
Hy4 preview significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Input capabilities
Documented input modalities across available providers
o1-pro supports multimodal inputs, whereas Hy4 preview does not.
o1-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Hy4 preview
o1-pro
License
Usage and distribution terms
Hy4 preview is licensed under Apache 2.0, while o1-pro uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Apache 2.0
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Hy4 preview was released on 2026-08-28, while o1-pro was released on 2024-12-17.
Hy4 preview is 21 months newer than o1-pro.
Aug 28, 2026
4 days ago
1.7yr newerDec 17, 2024
1.7 years ago
Knowledge Cutoff
When training data ends
o1-pro has a documented knowledge cutoff of 2023-09-30, while Hy4 preview's cutoff date is not specified.
We can confirm o1-pro's training data extends to 2023-09-30, but cannot make a direct comparison without Hy4 preview's cutoff date.
—
Sep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against Hy4 preview and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Hy4 preview vs o1-pro.