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GPT-6 Astra vs Llama 3.1 Nemotron 70B Instruct

GPT-6 Astra leads the LLM Stats Score 58.2 to -0.1.

OpenAI · NVIDIA · Updated for 2026

Which is better?

GPT-6 Astra leads the overall LLM Stats Score 58.2 to -0.1, ranking #3 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-6 Astra

  • overall performance matters — it scores 58.2 and ranks #3 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Llama 3.1 Nemotron 70B Instruct

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-6 Astra
OpenAI
Llama 3.1 Nemotron 70B Instruct
NVIDIA
Core performance indexes
LLM Stats Score
58.2
#3
-0.1
#350
Reasoning
57.3
#2
-0.4
#343
Cost, coverage & limits
Benchmark wins
—
—
Input price
$10.00 / M
— / M
Output price
$50.00 / M
— / M
Context window
1,050,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT-6 Astra
Llama 3.1 Nemotron 70B Instruct
Math
33.5#57
6.9#279
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for GPT-6 Astra · 11 for Llama 3.1 Nemotron 70B Instruct

No common benchmarks found

GPT-6 Astra and Llama 3.1 Nemotron 70B Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

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).

OpenAI
GPT-6 Astra
Input1,050,000 tokens
Output128,000 tokens
NVIDIA
Llama 3.1 Nemotron 70B Instruct
Input- tokens
Output- tokens
Sat Oct 24 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Astra supports multimodal inputs, whereas Llama 3.1 Nemotron 70B Instruct 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

Text
Images
Audio
Video

Llama 3.1 Nemotron 70B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6 Astra is licensed under a proprietary license, while Llama 3.1 Nemotron 70B Instruct uses Llama 3.1 Community License.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-6 Astra

Proprietary

Closed source

Llama 3.1 Nemotron 70B Instruct

Llama 3.1 Community License

Open weights

Release Timeline

When each model was launched

GPT-6 Astra was released on 2026-09-04, while Llama 3.1 Nemotron 70B Instruct was released on 2024-10-01.

GPT-6 Astra is 23 months newer than Llama 3.1 Nemotron 70B Instruct.

GPT-6 Astra

Sep 4, 2026

1 months ago

1.9yr newer
Llama 3.1 Nemotron 70B Instruct

Oct 1, 2024

2.1 years ago

Knowledge Cutoff

When training data ends

GPT-6 Astra has a knowledge cutoff of 2026-04-30, while Llama 3.1 Nemotron 70B Instruct has a cutoff of 2023-12-01.

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 Llama 3.1 Nemotron 70B Instruct (2023-12-01).

GPT-6 Astra

Apr 2026

2.3 yr newer
Llama 3.1 Nemotron 70B Instruct

Dec 2023

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-6 Astra and Llama 3.1 Nemotron 70B Instruct side-by-side, then vote on the output you prefer.

GPT-6 Astra
✓ Preferred
Llama 3.1 Nemotron 70B Instruct
Open in Playground

FAQ

Common questions about GPT-6 Astra vs Llama 3.1 Nemotron 70B Instruct.

Which is better, GPT-6 Astra or Llama 3.1 Nemotron 70B Instruct?

GPT-6 Astra leads the LLM Stats Score 58.2 to -0.1. GPT-6 Astra is made by OpenAI and Llama 3.1 Nemotron 70B Instruct is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-6 Astra compare to Llama 3.1 Nemotron 70B Instruct in benchmarks?

GPT-6 Astra scores ExploitBench: 100.0%, ARC-AGI-3: 99.9%, ARC-AGI: 98.5%, FrontierMath Tier 4 (v2): 97.6%, GPQA: 96.0%. Llama 3.1 Nemotron 70B Instruct scores GSM8k: 91.4%, HellaSwag: 85.6%, Winogrande: 84.5%, GSM8K Chat: 81.9%, MMLU Chat: 80.6%.

What are the context window sizes for GPT-6 Astra and Llama 3.1 Nemotron 70B Instruct?

GPT-6 Astra supports 1.1M tokens and Llama 3.1 Nemotron 70B Instruct supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-6 Astra and Llama 3.1 Nemotron 70B Instruct?

Key differences include LLM Stats Score (58.2 vs -0.1), multimodal support (yes vs no), licensing (Proprietary vs Llama 3.1 Community License). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Astra and Llama 3.1 Nemotron 70B Instruct?

GPT-6 Astra is developed by OpenAI and Llama 3.1 Nemotron 70B Instruct is developed by NVIDIA.

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