GPT-6 Astra vs o1-pro
GPT-6 Astra leads the LLM Stats Score 60.7 to 19.9.
OpenAI · OpenAI · Updated for 2026
Which is better?
GPT-6 Astra leads the overall LLM Stats Score 60.7 to 19.9, ranking #1 overall.
In the 1 individual benchmarks reported for both models, GPT-6 Astra 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 GPT-6 Astra
- overall performance matters — it scores 60.7 and ranks #1 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 Sep 2026
Choose o1-pro
- you are already invested in the OpenAI ecosystem
At a glance
The differences that matter most.
Individual benchmarks
22 reported for GPT-6 Astra · 2 for o1-pro
GPT-6 Astra outperforms in 1 benchmarks (GPQA), while o1-pro is better at 0 benchmarks.
GPT-6 Astra 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 GPT-6 Astra specifies input context (1,050,000 tokens). Only GPT-6 Astra specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
Both GPT-6 Astra and o1-pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-6 Astra
o1-pro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-6 Astra was released on 2026-09-04, while o1-pro was released on 2024-12-17.
GPT-6 Astra is 21 months newer than o1-pro.
Sep 4, 2026
1 days ago
1.7yr newerDec 17, 2024
1.7 years ago
Knowledge Cutoff
When training data ends
GPT-6 Astra has a knowledge cutoff of 2026-04-30, while o1-pro has a cutoff of 2023-09-30.
GPT-6 Astra has more recent training data (up to 2026-04-30), making it potentially better informed about events through that date compared to o1-pro (2023-09-30).
Apr 2026
2.6 yr newerSep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6 Astra and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6 Astra vs o1-pro.