DeepSeek R1 Distill Qwen 1.5B vs o1-pro
o1-pro leads the LLM Stats Score 19.9 to -2.8.
DeepSeek · OpenAI · Updated for 2026
Which is better?
o1-pro leads the overall LLM Stats Score 19.9 to -2.8, ranking #189 overall.
In the 2 individual benchmarks reported for both models, o1-pro wins 2; 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 DeepSeek R1 Distill Qwen 1.5B
- you want the most recent training data — it shipped Jan 2025
- you need open weights you can self-host or fine-tune
Choose o1-pro
- overall performance matters — it scores 19.9 and ranks #189 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
At a glance
The differences that matter most.
Individual benchmarks
4 reported for DeepSeek R1 Distill Qwen 1.5B · 2 for o1-pro
DeepSeek R1 Distill Qwen 1.5B outperforms in 0 benchmarks, while o1-pro is better at 2 benchmarks (AIME 2024, GPQA).
o1-pro 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 DeepSeek R1 Distill Qwen 1.5B does not.
o1-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek R1 Distill Qwen 1.5B
o1-pro
License
Usage and distribution terms
DeepSeek R1 Distill Qwen 1.5B is licensed under MIT, while o1-pro 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
DeepSeek R1 Distill Qwen 1.5B was released on 2025-01-20, while o1-pro was released on 2024-12-17.
DeepSeek R1 Distill Qwen 1.5B is 1 month newer than o1-pro.
Jan 20, 2025
1.6 years ago
1mo 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 DeepSeek R1 Distill Qwen 1.5B'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 DeepSeek R1 Distill Qwen 1.5B's cutoff date.
—
Sep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek R1 Distill Qwen 1.5B and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek R1 Distill Qwen 1.5B vs o1-pro.