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Llama 3.1 405B Instruct vs Llama 3.1 Nemotron 70B Instruct

Llama 3.1 405B Instruct leads the LLM Stats Score 14.7 to 0.4.

Meta · NVIDIA · Updated for 2026

Which is better?

Llama 3.1 405B Instruct leads the overall LLM Stats Score 14.7 to 0.4, ranking #239 overall.

In the 3 individual benchmarks reported for both models, Llama 3.1 405B Instruct wins 3; 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 Llama 3.1 405B Instruct

  • overall performance matters — it scores 14.7 and ranks #239 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results

Choose Llama 3.1 Nemotron 70B Instruct

  • you want the most recent training data — it shipped Oct 2024

At a glance

The differences that matter most.

Llama 3.1 405B Instruct
Meta
Llama 3.1 Nemotron 70B Instruct
NVIDIA
Core performance indexes
LLM Stats Score
14.7
#239
0.4
#330
Reasoning
13.8
#239
0.1
#323
Cost, coverage & limits
Benchmark wins
3 of 3
0 of 3
Input price
$0.89 / M
— / M
Output price
$0.89 / M
— / M
Context window
128,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Llama 3.1 405B Instruct
Llama 3.1 Nemotron 70B Instruct
Math
19.3#169
7.0#267
Finance
17.7#105
6.2#163
Legal
17.7#90
6.2#149
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

18 reported for Llama 3.1 405B Instruct · 11 for Llama 3.1 Nemotron 70B Instruct

3 shared

Llama 3.1 405B Instruct outperforms in 3 benchmarks (ARC-C, GSM8k, MMLU), while Llama 3.1 Nemotron 70B Instruct is better at 0 benchmarks.

Llama 3.1 405B Instruct significantly outperforms across most benchmarks.

Wed Sep 23 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

335.0B diff

Llama 3.1 405B Instruct has 335.0B more parameters than Llama 3.1 Nemotron 70B Instruct, making it 478.6% larger.

Meta
Llama 3.1 405B Instruct
405.0Bparameters
NVIDIA
Llama 3.1 Nemotron 70B Instruct
70.0Bparameters
405.0B
Llama 3.1 405B Instruct
70.0B
Llama 3.1 Nemotron 70B Instruct

Context Window

Maximum input and output token capacity

Only Llama 3.1 405B Instruct specifies input context (128,000 tokens). Only Llama 3.1 405B Instruct specifies output context (128,000 tokens).

Meta
Llama 3.1 405B Instruct
Input128,000 tokens
Output128,000 tokens
NVIDIA
Llama 3.1 Nemotron 70B Instruct
Input- tokens
Output- tokens
Wed Sep 23 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under Llama 3.1 Community License.

Both models share the same licensing terms, providing consistent usage rights.

Llama 3.1 405B Instruct

Llama 3.1 Community License

Open weights

Llama 3.1 Nemotron 70B Instruct

Llama 3.1 Community License

Open weights

Release Timeline

When each model was launched

Llama 3.1 405B Instruct was released on 2024-07-23, while Llama 3.1 Nemotron 70B Instruct was released on 2024-10-01.

Llama 3.1 Nemotron 70B Instruct is 2 months newer than Llama 3.1 405B Instruct.

Llama 3.1 405B Instruct

Jul 23, 2024

2.2 years ago

Llama 3.1 Nemotron 70B Instruct

Oct 1, 2024

2.0 years ago

2mo newer

Knowledge Cutoff

When training data ends

Llama 3.1 Nemotron 70B Instruct has a documented knowledge cutoff of 2023-12-01, while Llama 3.1 405B Instruct's cutoff date is not specified.

We can confirm Llama 3.1 Nemotron 70B Instruct's training data extends to 2023-12-01, but cannot make a direct comparison without Llama 3.1 405B Instruct's cutoff date.

Llama 3.1 405B Instruct

—

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 Llama 3.1 405B Instruct and Llama 3.1 Nemotron 70B Instruct side-by-side, then vote on the output you prefer.

Llama 3.1 405B Instruct
✓ Preferred
Llama 3.1 Nemotron 70B Instruct
Open in Playground

FAQ

Common questions about Llama 3.1 405B Instruct vs Llama 3.1 Nemotron 70B Instruct.

Which is better, Llama 3.1 405B Instruct or Llama 3.1 Nemotron 70B Instruct?

Llama 3.1 405B Instruct leads the LLM Stats Score 14.7 to 0.4. Llama 3.1 405B Instruct is made by Meta 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 Llama 3.1 405B Instruct compare to Llama 3.1 Nemotron 70B Instruct in benchmarks?

Llama 3.1 405B Instruct scores ARC-C: 96.9%, GSM8k: 96.8%, API-Bank: 92.0%, Multilingual MGSM (CoT): 91.6%, HumanEval: 89.0%. 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 Llama 3.1 405B Instruct and Llama 3.1 Nemotron 70B Instruct?

Llama 3.1 405B Instruct supports 128K 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 Llama 3.1 405B Instruct and Llama 3.1 Nemotron 70B Instruct?

Key differences include LLM Stats Score (14.7 vs 0.4). See the full comparison above for benchmark-by-benchmark results.

Who makes Llama 3.1 405B Instruct and Llama 3.1 Nemotron 70B Instruct?

Llama 3.1 405B Instruct is developed by Meta and Llama 3.1 Nemotron 70B Instruct is developed by NVIDIA.

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