GPT-6 Astra vs Nemotron Nano 9B v2
GPT-6 Astra leads the LLM Stats Score 60.7 to 18.6.
OpenAI · NVIDIA · Updated for 2026
Which is better?
GPT-6 Astra leads the overall LLM Stats Score 60.7 to 18.6, 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 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
Choose Nemotron Nano 9B v2
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
22 reported for GPT-6 Astra · 6 for Nemotron Nano 9B v2
GPT-6 Astra outperforms in 1 benchmarks (GPQA), while Nemotron Nano 9B v2 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
GPT-6 Astra supports multimodal inputs, whereas Nemotron Nano 9B v2 does not.
GPT-6 Astra can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-6 Astra
Nemotron Nano 9B v2
License
Usage and distribution terms
GPT-6 Astra is licensed under a proprietary license, while Nemotron Nano 9B v2 uses NVIDIA Open Model License Agreement .
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
NVIDIA Open Model License Agreement
Open weights
Release Timeline
When each model was launched
GPT-6 Astra was released on 2026-09-04, while Nemotron Nano 9B v2 was released on 2025-08-18.
GPT-6 Astra is 13 months newer than Nemotron Nano 9B v2.
Sep 4, 2026
2 days ago
1.0yr newerAug 18, 2025
1.1 years ago
Knowledge Cutoff
When training data ends
GPT-6 Astra has a knowledge cutoff of 2026-04-30, while Nemotron Nano 9B v2 has a cutoff of 2024-09-01.
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 Nemotron Nano 9B v2 (2024-09-01).
Apr 2026
1.6 yr newerSep 2024
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6 Astra and Nemotron Nano 9B v2 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6 Astra vs Nemotron Nano 9B v2.