Beam 1.0 vs o1-pro
Beam 1.0 leads the LLM Stats Score 44.6 to 19.3.
Reflection AI · OpenAI · Updated for 2026
Which is better?
Beam 1.0 leads the overall LLM Stats Score 44.6 to 19.3, ranking #46 overall.
In the 1 individual benchmarks reported for both models, Beam 1.0 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 Beam 1.0
- overall performance matters — it scores 44.6 and ranks #46 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 Oct 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
22 reported for Beam 1.0 · 2 for o1-pro
Beam 1.0 outperforms in 1 benchmarks (GPQA), while o1-pro is better at 0 benchmarks.
Beam 1.0 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 Beam 1.0 specifies input context (1,048,576 tokens). Only Beam 1.0 specifies output context (131,072 tokens).
Input capabilities
Documented input modalities across available providers
o1-pro supports multimodal inputs, whereas Beam 1.0 does not.
o1-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Beam 1.0
o1-pro
License
Usage and distribution terms
Beam 1.0 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
Beam 1.0 was released on 2026-10-16, while o1-pro was released on 2024-12-17.
Beam 1.0 is 22 months newer than o1-pro.
Oct 16, 2026
6 days ago
1.8yr newerDec 17, 2024
1.8 years ago
Knowledge Cutoff
When training data ends
Beam 1.0 has a knowledge cutoff of 2026-06-30, while o1-pro has a cutoff of 2023-09-30.
Beam 1.0 has more recent training data (up to 2026-06-30), making it potentially better informed about events through that date compared to o1-pro (2023-09-30).
Jun 2026
2.8 yr newerSep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against Beam 1.0 and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Beam 1.0 vs o1-pro.