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GPT-6 Astra vs Llama 3.1 Nemotron 70B Instruct

GPT-6 Astra leads the LLM Stats Score 60.7 to 0.7.

OpenAI · NVIDIA · Updated for 2026

Which is better?

GPT-6 Astra leads the overall LLM Stats Score 60.7 to 0.7, ranking #1 overall.

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

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
60.7
#1
0.7
#312
Reasoning
58.7
#1
0.4
#304
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
35.3#42
7.4#257
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
Fri Sep 04 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

Llama 3.1 Nemotron 70B Instruct was released on 2024-10-01, while GPT-6 Astra's release date is not specified.

We can confirm Llama 3.1 Nemotron 70B Instruct's release timeline, but cannot make a direct age comparison without GPT-6 Astra's release date.

GPT-6 Astra

—

Llama 3.1 Nemotron 70B Instruct

Oct 1, 2024

1.9 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?Start an Issue discussion→

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 60.7 to 0.7. 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 (60.7 vs 0.7), 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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